1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1986 TO SEPTEMBER 1987 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 --- --- --- 48300 37500 43100 47200 38100 42900 33000 24400 29000 2 --- --- --- 48200 37000 42500 46300 36300 41300 31200 22700 26800 3 --- --- --- 48200 36600 42700 45700 33800 39600 32300 22200 26900 4 --- --- --- 48300 36400 42500 47300 33200 39700 32800 23800 27900 5 --- --- --- --- --- --- 47800 33900 40100 33200 24900 29200 6 --- --- --- --- --- --- 47700 34600 40500 31400 24700 28300 7 --- --- --- --- --- --- 45500 35400 40300 33700 24200 29200 8 --- --- --- --- --- --- 43600 35100 39800 36400 30000 33700 9 --- --- --- --- --- --- 43300 34300 39600 38100 31300 34800 10 --- --- --- 32600 27200 30800 45100 36900 41000 38000 27400 34900 11 --- --- --- 45100 29700 39800 46800 34900 40900 36900 30300 34200 12 --- --- --- 45000 35500 40500 43300 31700 37400 37500 31500 34700 13 --- --- --- 45300 32700 40300 42100 32600 37500 38300 32200 35200 14 --- --- --- 48400 36300 42900 43900 32100 37700 38300 30700 34600 15 --- --- --- 45000 38400 43900 41600 32000 36300 38800 30700 34500 16 --- --- --- --- --- --- 41500 30500 35400 39800 31100 34900 17 --- --- --- --- --- --- 40400 31100 35300 39400 30700 35000 18 --- --- --- --- --- --- 40300 30700 35200 40000 29500 35100 19 --- --- --- 49400 41700 43800 39500 30600 34700 36700 27700 32200 20 --- --- --- 49200 38300 43700 39100 29300 34200 37600 28300 34800 21 --- --- --- 45300 37300 42300 31700 26600 29200 38500 29800 34700 22 --- --- --- 45700 38500 42400 31000 25700 28600 38900 29700 35900 23 --- --- --- 46100 39700 43000 30600 25000 28400 35500 28200 32400 24 --- --- --- 44300 38100 42100 29200 24100 26500 36900 29600 33200 25 --- --- --- 43600 36900 41400 28300 23400 26400 37900 28200 33400 26 --- --- --- 44100 36000 41400 30700 23800 27600 38600 26300 32500 27 --- --- --- 42500 36500 39700 31800 23700 28200 41900 28800 34300 28 --- --- --- 46300 36000 41500 32300 23900 27700 40100 27100 33400 29 --- --- --- 47700 35700 41700 33300 23200 28000 41700 26400 33600 30 45600 37400 41400 47700 36200 42600 32600 22500 27500 40000 25200 31800 31 48200 37700 43400 --- --- --- 32600 22400 27800 40100 22900 31700 MONTH --- --- --- --- --- --- 47800 22400 34700 41900 22200 32700 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1986 TO SEPTEMBER 1987 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 40900 25500 33100 43300 29000 35900 42400 25000 33400 44700 33000 37800 2 40500 26900 32900 47000 26700 36200 41500 27500 33300 43800 35200 39900 3 40600 28200 35000 46800 29300 37600 41800 27000 34800 45300 34700 41300 4 43100 31300 39000 46900 30300 39100 43400 31200 38800 45700 36200 42400 5 43100 34300 39900 46800 34900 41600 45500 37200 41900 49600 39500 44600 6 46800 40400 43900 46700 38300 43900 45900 37100 42600 49700 41600 45800 7 45200 38300 42400 47900 42100 45500 46200 39200 44000 45900 40200 43700 8 41700 36900 39400 47600 35500 44400 47200 41200 45100 45200 37900 42700 9 38800 32100 36000 43500 38300 42200 47900 35500 44800 46900 36200 42700 10 40800 29900 37400 48300 38400 44800 48600 36900 44400 46200 36700 41900 11 40100 33300 37200 48800 40200 46400 45400 31700 39200 47400 36800 41600 12 41300 34400 37400 48000 39100 44500 46300 34000 40000 47600 31300 41200 13 45100 33000 38600 47300 38800 43000 44500 33200 38300 46500 30300 38400 14 44500 32600 39100 45400 38000 41700 50900 37500 43600 48400 33400 40400 15 45900 33300 39400 44700 36500 40600 49900 37700 43600 48300 34000 40700 16 47500 36200 41600 46500 35200 40200 48600 35800 42100 47900 33000 40000 17 44100 33800 39000 46400 35700 41000 47700 35100 41500 48200 34700 41300 18 42500 32700 37700 47200 34900 40500 48600 33200 41600 46800 31400 39500 19 41900 32900 37600 47100 35000 40400 48900 36200 41100 45200 32900 38600 20 41400 33100 37700 45500 35200 40200 48500 36500 41500 44300 35000 39300 21 43000 34800 39700 44100 32000 37900 47500 36300 41900 46000 29900 41300 22 43900 32200 38900 44400 33700 38400 45800 36400 40500 46000 35400 40900 23 40000 31800 36100 43100 32400 37700 46000 33800 40400 46100 34400 40000 24 45000 30100 38200 42900 31300 37600 45200 34500 39900 46200 34500 39800 25 46000 30500 38100 42600 30100 36600 46900 33500 40300 46500 29600 39400 26 45700 31500 39300 40700 28900 34500 48400 33900 41200 47800 31100 40600 27 45300 31900 39000 42800 27700 35000 48300 35600 42400 48700 35900 41200 28 43900 32300 38100 45000 25300 35400 47500 32800 41500 47400 36200 42000 29 --- --- --- 46200 26900 37000 46500 34600 40800 46100 37100 41300 30 --- --- --- 43800 29200 35500 43100 33200 39100 45400 35300 40600 31 --- --- --- 40300 26100 31700 --- --- --- 45000 36400 40900 MONTH 47500 25500 38300 48800 25300 39600 50900 25000 40800 49700 29600 41000 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1986 TO SEPTEMBER 1987 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 44300 38000 40900 45400 35800 39700 47500 40300 44100 46800 37100 41900 2 44500 37700 39800 46200 38600 42300 47600 40000 43900 48600 36900 42900 3 40100 39100 39800 45200 35800 41800 46800 38200 44200 49700 36500 43000 4 41100 39900 40000 46400 37300 42400 --- --- --- 49500 33900 42000 5 40500 39500 40000 48500 36500 44100 --- --- --- 44500 24100 36200 6 40300 39600 40000 50700 37900 44600 --- --- --- 46100 12800 28300 7 40000 39200 39700 51800 38800 45100 42300 34200 38500 45200 11400 27100 8 39900 39000 39500 52900 39500 45300 43100 33200 38000 44900 11800 28100 9 39700 38900 39400 52900 33100 44600 43200 33700 38400 45600 14900 30800 10 44400 36300 38800 46100 32100 34500 42600 33600 38000 46300 21000 33500 11 42300 34600 38400 43700 31500 34000 42900 33800 38200 46800 24600 35600 12 39400 34300 36700 33700 32300 32700 43200 34600 39100 47500 27400 37500 13 39500 31800 34800 32800 32400 32600 43000 35100 39200 47600 30800 39400 14 39200 32300 34100 50600 32500 38900 42200 34500 38500 49300 35900 43700 15 34900 34300 34500 50400 38200 44100 40400 35000 37700 51400 38900 45900 16 35600 35200 35400 49900 30700 32400 39400 34800 37200 51500 40700 48100 17 36700 35500 36200 31100 30900 31000 38500 34100 36600 51100 40200 48100 18 37200 36700 37000 31100 30900 31000 38800 34300 36600 50500 39400 45800 19 37300 36700 37100 31100 30800 31000 38700 34300 36600 50900 37200 46100 20 37100 36500 36900 31100 30800 30900 39100 33600 36300 52600 37500 45600 21 37000 36300 36700 33300 30600 30800 39400 33100 36500 53000 36200 45900 22 36600 36100 36400 41700 33000 34900 39000 33700 36200 48900 33800 41000 23 36500 35600 36100 49700 33400 37900 38400 32900 35700 43100 33800 38800 24 36300 35600 36000 45100 33700 38800 40400 33000 36300 44300 34500 39800 25 36200 35700 36000 40600 31200 34500 39900 34000 36800 44500 35500 40200 26 36100 35700 35900 32300 29600 31300 39400 33400 36500 45600 35600 40600 27 36200 35400 35800 45100 29300 37300 47200 33000 40800 46800 37900 44000 28 36200 35600 35900 44300 36100 40000 46400 38600 42900 --- --- --- 29 36500 36100 36300 43700 35600 39500 46200 38400 42700 --- --- --- 30 36500 35500 36000 47800 40900 45200 47700 37200 42800 39200 35600 37100 31 --- --- --- 47700 37700 43500 47200 39000 42800 --- --- --- MONTH 44500 31800 37300 52900 29300 38000 --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1987 TO SEPTEMBER 1988 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 47400 34700 41000 46700 35900 41500 47600 37600 42900 47800 36600 41400 2 46000 35500 40800 48200 37200 42600 49000 37900 43600 47700 34900 42700 3 44800 34900 39900 49000 37000 43000 50500 37400 43700 49000 38300 43800 4 47000 34900 40400 49200 37000 43600 49000 36000 42600 46800 37000 41800 5 47800 35100 41600 50100 38400 43900 51000 38500 44100 45200 35600 40000 6 48000 35900 41700 50600 36500 43800 51200 39600 44500 41700 32500 37200 7 46500 34300 40500 49400 36800 42700 50500 39600 44800 43800 33600 38400 8 47000 34500 40500 48300 37300 42400 51200 40300 45500 41200 34000 38400 9 47700 34100 40500 47200 38200 42300 49600 41600 45300 40700 34000 37700 10 47400 35200 40700 45800 38800 42100 49900 41600 45600 41200 35000 38300 11 45900 35500 41200 46700 39000 43400 49000 39300 45400 41800 35600 39000 12 45300 37000 41800 46400 39600 43300 48100 43000 46200 41400 35600 38900 13 45800 37500 42600 47200 41800 45000 50500 44200 47800 41400 35400 38700 14 45900 38400 43000 46800 39100 44300 50500 44200 47900 42600 36300 39400 15 44600 38700 42600 46400 39300 43500 50300 42000 47000 44500 34000 39600 16 44900 38100 42100 46700 40400 43300 47800 40400 44400 44400 34600 39000 17 45400 39200 42500 46600 40100 42900 48200 40600 45100 45000 33600 38700 18 46400 38400 42100 46200 38500 42400 52200 39600 42600 44600 32500 38500 19 46700 37800 42100 49200 38000 44000 48900 38200 42900 45200 32700 39000 20 46900 38300 42300 51000 40000 45300 49200 37500 42900 44900 33000 38600 21 47000 37300 42300 50300 37600 43600 49600 36800 43000 44700 31800 37900 22 49300 36600 43400 51300 37200 43600 50500 37700 44300 44300 31200 37700 23 49600 37500 43400 49900 35300 42700 50500 37700 43900 43600 30300 37200 24 51500 37700 44000 50600 36500 42700 50300 38500 43900 42900 30800 37100 25 49600 37800 43400 50100 36300 42700 49200 37200 43000 43600 33800 38000 26 51100 38400 44300 49600 36500 43000 46600 35800 41700 39700 32400 36000 27 50200 38300 44300 49500 36300 43200 46500 36900 42200 41000 32500 37700 28 49200 39400 43500 49900 38100 45400 48300 37700 43000 41800 33100 38200 29 47100 37500 43000 49000 38100 44000 45200 34700 40200 41800 31400 37900 30 45800 38600 41800 48600 37400 43300 47800 37000 42100 41300 31600 37300 31 45900 35600 41500 --- --- --- 47700 36900 41900 40900 32100 37100 MONTH 51500 34100 42100 51300 35300 43300 52200 34700 44000 49000 30300 38700 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1987 TO SEPTEMBER 1988 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 41100 33200 37100 46400 37400 41800 45600 36100 40600 50400 38500 43900 2 45800 33600 39100 46900 37800 42000 45800 35300 40600 49700 39200 44000 3 48000 37600 43000 45800 36400 41500 47500 35400 40600 49400 38400 43100 4 49000 38300 43300 45900 35800 40400 46500 36100 40700 49000 36800 42300 5 49200 37100 43600 46300 34200 40000 47400 34900 40500 47200 36700 42000 6 47800 38800 43700 45700 35100 41200 47300 34600 40700 47700 36700 42300 7 47400 38800 43400 45200 36200 40400 45100 37100 41600 47100 37900 42700 8 47100 38700 43800 44400 34200 39100 45900 38200 42500 48000 37400 43000 9 47100 39600 44400 45200 36000 40400 46700 39600 43200 47900 37900 42700 10 46800 40700 44300 44200 36300 41000 46500 39300 42600 47000 36800 41800 11 47700 40400 44800 45100 38000 42000 47200 39000 42900 47700 36300 42000 12 46800 38700 43200 45000 35500 40600 47100 38000 43200 49000 36400 42600 13 44300 38600 41600 43900 35200 39100 48000 36700 42400 49700 35400 42600 14 47500 36600 42200 45800 33300 40200 49300 36900 43700 50700 35100 42800 15 48000 37400 42100 45400 33900 39600 50200 37600 44200 50000 36200 43100 16 46800 36000 41200 47500 33400 40500 50400 36900 43500 48100 35200 41600 17 49900 36000 42700 48300 33800 41300 50200 35900 42900 47900 35000 40900 18 50300 36100 43100 49500 34100 41700 48300 35600 42000 48000 35200 40900 19 50100 36200 43300 48800 34400 41600 47400 32100 39900 47200 35300 40700 20 48500 34500 41800 47600 32900 40100 47600 34300 40800 46400 34400 40300 21 47800 33800 40700 47000 33800 40000 46900 35900 41300 45800 37500 41700 22 48000 34300 40400 47700 36400 42000 44900 38000 42200 45300 36400 41900 23 46600 34300 40100 47600 37100 41300 46500 38100 44100 45200 39700 42700 24 44600 34700 40500 45000 38700 41500 46500 39600 43800 45400 38000 42800 25 45900 37500 43200 44300 38000 41500 49000 43100 46400 45600 38100 42000 26 46900 41900 44500 44200 39700 42300 50100 41200 46900 48300 38800 44200 27 46800 40900 44100 45200 38600 42700 49200 41700 45800 47900 39700 44200 28 46800 39200 43700 45900 38300 42700 47900 40600 44500 48400 39700 43600 29 45700 38700 42200 45200 38400 42200 48000 39400 43700 50000 39600 43700 30 --- --- --- 44800 37300 41400 48800 38500 43100 50400 39500 44400 31 --- --- --- 45100 36700 40800 --- --- --- 50400 40000 44400 MONTH 50300 33200 42500 49500 32900 41100 50400 32100 42700 50700 34400 42600 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1987 TO SEPTEMBER 1988 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 50700 39900 44600 50400 37900 43900 41200 32100 36800 48600 36000 42600 2 51300 39400 44600 49400 39300 43700 49300 33000 40100 46000 36800 41600 3 51400 40600 45300 49900 38100 43000 50000 38300 43500 45200 36400 41400 4 51700 41500 46500 49400 34900 41300 48400 38500 43100 43900 36600 40700 5 51500 40600 45700 48900 33700 42200 47900 35300 43400 43200 36400 39900 6 50200 40200 44700 49300 34400 43000 46500 37500 41800 44000 35700 40800 7 48600 38700 44000 48100 38100 42900 45600 33800 41900 48500 37100 43300 8 48900 39100 43800 47000 37700 42600 49000 39200 43300 47900 38700 43400 9 48300 38900 43400 46300 38300 42500 40100 29800 35100 46900 35900 42200 10 50100 37600 43800 47300 38200 42400 33000 28300 30300 46000 33100 39700 11 49700 39400 44200 47200 37500 42300 36800 29200 31500 46100 34500 40500 12 49800 38000 43400 45500 36400 41600 35700 29900 32400 45500 33100 39700 13 48800 37300 42900 47000 37100 41800 35400 30100 33400 45500 32900 38900 14 49500 38000 43000 46200 37300 42100 51100 34700 43100 46400 31900 39800 15 49900 38600 43500 46000 38100 42000 47400 39400 44100 48400 33900 41300 16 49300 39600 44500 45100 37700 41000 47400 41600 44700 49700 38800 44000 17 48200 39600 43900 44800 35700 41000 53400 43800 46900 49200 39400 44700 18 47700 38200 43300 44800 36600 41200 48400 40900 44200 47100 37600 44200 19 47900 40300 44000 44800 37500 41300 46700 39900 43700 49300 38900 44500 20 47900 41200 44300 44700 34400 41000 47400 42300 45400 48200 38100 43400 21 47100 40700 44500 44400 37500 41200 52600 44800 48500 49300 36100 42100 22 47400 40600 44500 45000 35000 41700 55500 46100 50000 50900 35800 45300 23 47500 41400 44600 45000 34600 41500 53500 46100 50600 50100 34200 42700 24 47800 40600 44600 45600 33400 41800 55100 44700 50300 46600 32000 47700 25 49700 41600 45700 47200 37600 42300 50200 43900 47000 --- --- --- 26 48400 37600 44100 47100 37200 42500 48700 44500 46600 --- --- --- 27 50100 37500 44200 48100 35300 42200 49400 45000 46900 46500 31500 39500 28 50900 41000 45500 47900 35800 41900 50000 46000 48100 47000 32800 39800 29 50400 40300 45000 48500 36900 41900 50400 43400 46600 46100 33100 39100 30 50100 39700 44500 46400 35300 41300 47400 43600 45600 44000 32000 38000 31 --- --- --- 41900 30400 36800 48000 31000 43700 --- --- --- MONTH 51700 37300 44400 50400 30400 41900 55500 28300 43000 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1988 TO SEPTEMBER 1989 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 43600 32900 38300 49000 41500 46100 46400 36400 42800 46000 35200 42700 2 42100 32700 38400 48500 42800 46300 47300 33900 42600 45900 32900 42300 3 43000 34700 40000 49200 42000 46500 47600 35600 44300 46000 38300 43000 4 43200 36100 40500 48200 41400 45400 46300 34000 42200 44200 31100 40600 5 44300 36600 41300 48600 40800 44400 47200 36000 42300 47600 30500 42000 6 45200 36300 41300 47000 40400 43700 46800 34600 41400 47500 37400 42000 7 45600 37800 42300 47600 39900 44000 46300 35300 41700 50800 39100 45000 8 45200 37800 41900 49000 39700 44200 47200 33200 41800 52500 37900 44200 9 46200 37200 42000 48800 38600 43200 48300 38300 42400 52000 39000 45500 10 47000 36800 42300 49700 38900 44000 49400 37500 43200 54300 40000 46600 11 46100 36600 41800 49100 38800 43700 48000 36600 42000 53500 39200 46300 12 46300 37000 41600 51200 37500 44900 49500 37000 42600 52900 39600 46200 13 47800 37700 42300 50200 39700 44700 49000 35800 42400 50700 39200 44200 14 46800 37800 42500 49700 39300 44100 47100 35600 41300 52000 40900 46300 15 47400 37400 43000 49500 40900 44700 44800 35600 40800 50100 39600 45000 16 47900 38500 43900 49000 40200 44500 46100 36800 41500 49500 37800 44600 17 47900 41400 44600 47100 37400 42900 47300 36200 41900 52200 41200 46400 18 49000 39900 44900 49100 37000 44100 46200 36600 41300 50800 40100 45300 19 48100 40900 44900 51900 39200 45200 46000 35700 40300 50400 40900 45100 20 50700 41600 45900 51300 38100 44300 47100 35700 41200 51200 39600 45100 21 51600 41300 46700 49700 38200 43900 47500 35700 41500 52200 39000 45800 22 51000 41000 45900 51900 38800 45700 47900 35100 41700 53700 40300 47300 23 52800 41100 47000 52100 39600 45700 49200 36400 42400 53200 42400 48000 24 52700 40200 46600 51500 38500 45200 48000 35900 41600 51500 37400 44900 25 52700 35700 45900 50300 38500 44100 46700 35400 41200 46400 38500 41900 26 53000 37500 46300 49400 37900 43300 47200 36500 41600 45400 32400 40900 27 53600 38800 45800 48000 38900 42900 47100 36800 42100 44900 38300 42100 28 51000 37900 43900 46000 38900 42400 44500 37000 41200 46500 39900 43300 29 49800 36500 43200 47900 38300 43800 45400 39000 42200 46100 40400 43600 30 50600 38600 45700 46600 38400 44100 46200 35200 42600 45900 41100 43900 31 50800 40700 46600 --- --- --- 46000 37200 42500 46000 41200 44200 MONTH 53600 32700 43500 52100 37000 44400 49500 33200 42000 54300 30500 44300 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1988 TO SEPTEMBER 1989 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 47100 39700 44300 --- --- --- 45800 37300 42500 60400 46700 53200 2 45900 38200 42700 --- --- --- 46400 36900 42100 61700 45000 53700 3 46600 38900 42300 --- --- --- 46900 36700 41900 63500 46600 54900 4 46100 37200 41800 --- --- --- 49500 36300 42800 63800 47300 55500 5 49400 37600 42900 --- --- --- 50400 37300 43800 64300 46700 55400 6 49200 36300 42700 --- --- --- 51200 37600 43900 63200 46200 54100 7 48900 36100 42300 46700 35300 40500 50400 36000 43600 61900 43900 52700 8 48700 36500 42200 47400 34200 40900 51500 36800 43800 61900 46200 52500 9 48800 36400 42500 47000 34300 40700 49900 37400 43800 60400 37300 47000 10 48300 36000 42100 46400 34100 40700 50800 38800 44400 50400 39100 44300 11 48200 36300 41900 45600 33800 39700 49300 37800 43300 49900 40200 45800 12 45700 37700 41500 44300 32800 37800 47800 38600 43700 48800 40100 45900 13 45600 37900 41800 43200 31700 36000 46700 37900 42900 47900 40200 44900 14 45100 37600 41600 42600 29600 34600 45200 39600 42800 48400 42800 46200 15 --- --- --- 40000 28500 33300 47100 39400 43700 50400 40400 46700 16 --- --- --- 38800 27300 32200 46200 36500 42400 53100 43100 47800 17 --- --- --- 40700 29700 34200 48800 38300 42900 52600 44200 48500 18 --- --- --- 39100 29300 33900 49300 38300 43500 55500 44000 49100 19 --- --- --- 39100 25800 32700 51700 38800 44000 55600 44500 49100 20 --- --- --- 37700 29200 32100 55100 39000 47200 54600 40800 48600 21 --- --- --- 35400 28800 31500 56600 42900 49300 54600 42900 48200 22 --- --- --- 36800 25500 30700 54800 43200 48800 54400 42900 47600 23 --- --- --- 37400 27400 31900 54600 41700 46900 52200 42200 47100 24 --- --- --- 34500 27800 31200 53800 43900 49000 52200 41600 48100 25 --- --- --- 32600 25700 28900 53600 43200 48900 53200 42400 48700 26 --- --- --- 33000 25700 29100 54400 44300 49700 54200 44600 49000 27 --- --- --- 33100 26200 28500 55600 45400 51900 53100 42100 48900 28 --- --- --- --- --- --- 56400 47000 53000 58500 45000 51800 29 --- --- --- --- --- --- 57800 49000 53200 58100 40100 49800 30 --- --- --- --- --- --- 57100 47900 52700 59300 43800 50300 31 --- --- --- 44800 38900 42300 --- --- --- 55400 39400 49000 MONTH --- --- --- --- --- --- 57800 36000 45700 64300 37300 49500 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1988 TO SEPTEMBER 1989 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 56800 42200 48800 54800 41000 48700 47800 34500 40900 39700 29900 35200 2 57400 38200 47500 56000 40400 47600 49400 35500 42100 37500 28300 33900 3 57600 41300 48800 54100 39700 47500 49000 36000 42300 39000 27400 34400 4 57500 42000 49300 52600 39700 45700 46800 38000 42700 40300 29400 35700 5 56100 42400 48600 50400 40200 45100 45200 36700 41100 39000 30500 34900 6 55900 41600 48000 49000 39100 43900 45000 36000 41300 39700 32900 36200 7 52800 41600 47200 47400 37900 42600 45500 37600 42100 39700 30800 36400 8 51900 41600 46500 48400 35500 44100 46800 38600 42900 41100 34100 38100 9 52200 36600 44900 48600 40300 45200 46900 38000 44000 39300 29000 34200 10 52300 36400 47600 48400 40700 44900 46800 39900 44000 36000 26300 31300 11 53300 43600 49200 46800 35800 43800 46600 37100 43700 39300 26700 32500 12 53200 43100 50300 47700 39200 44300 46200 38700 43400 41000 28300 34400 13 52200 42300 49200 47300 37300 43700 45600 33800 41700 40800 28100 34800 14 54500 43600 49400 48300 40500 44500 45400 37400 41600 39900 29500 33900 15 54900 44900 50000 52000 41500 45900 46100 33100 40500 40500 25400 34000 16 53000 39600 46800 49800 40600 45200 45400 33900 40400 40000 28200 33900 17 50200 39400 44200 50300 41300 45000 44900 31800 40000 40400 26200 33600 18 51800 39600 44800 50400 39600 44900 44900 32800 39500 42400 25700 34800 19 51600 38500 44900 49300 39800 44300 44400 33700 38900 42000 29600 35500 20 51400 39700 44800 48800 38500 43100 43800 32800 38100 43400 30800 35800 21 51000 38900 44200 47800 37300 42200 43200 31900 37100 --- --- --- 22 50700 38100 44100 45900 34100 39300 42000 31500 36500 --- --- --- 23 49700 38000 44600 43400 31800 37200 41700 31900 36300 --- --- --- 24 50800 37500 44300 38800 30800 34800 42100 30100 35700 --- --- --- 25 50300 38000 44600 38500 31100 34200 43000 30900 36900 --- --- --- 26 50000 38500 44600 35600 29500 32400 42600 29300 37500 41200 29600 35500 27 50200 37500 44200 44000 31800 36900 42700 30500 36500 46300 26200 36600 28 51100 36700 44100 46600 35600 40100 42200 31800 36300 43400 26600 35900 29 51900 37000 44500 48700 37300 41600 41800 30400 36000 41500 27200 33500 30 53300 38500 45600 49700 37400 42600 40300 29000 35000 41200 23000 31700 31 --- --- --- 48500 35000 42000 41000 28900 34500 --- --- --- MONTH 57600 36400 46500 56000 29500 42700 49400 28900 39700 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1989 TO SEPTEMBER 1990 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 41700 23900 31300 41600 30700 35100 45800 36400 39800 42400 33000 37300 2 38200 22600 29200 43600 31900 36300 44300 30800 37500 44000 30100 37400 3 45700 19600 32800 44600 30600 37100 41900 32600 36600 43400 30800 37100 4 45900 20000 34100 44700 32400 37700 43600 33900 37400 43900 33800 38200 5 46100 23600 34800 43900 35300 39100 41800 29100 36800 43600 32900 37500 6 43200 20700 33900 43600 34400 38400 44000 33700 38500 46100 32700 38300 7 45900 19800 36300 42500 34300 37700 43300 32000 38000 47600 32600 39100 8 50400 27600 41200 43200 34800 37800 48300 34800 40500 46400 27800 36100 9 49200 29700 39900 44300 33300 38700 48600 35200 41800 45800 28900 35300 10 45000 27500 35100 46000 33000 38900 48000 32200 40500 44300 26500 34500 11 45400 32200 37700 46900 32900 39500 48100 34100 40600 47100 25500 36000 12 45300 30600 37300 47500 32200 39300 48600 33300 40900 43300 27100 34200 13 46800 30800 38000 48100 31700 40100 47700 31600 39200 44100 27900 34900 14 46700 30600 38300 48100 32000 40000 45700 30300 37700 42800 28500 35000 15 46200 29800 37600 47700 32300 39500 47000 31100 37800 42500 29400 34800 16 44500 28400 36400 44800 31400 37000 43600 30500 36500 40700 28100 35000 17 43300 28200 35200 44800 30700 36700 44000 31800 37800 41100 28600 34800 18 43000 28000 34100 42500 31400 36700 43600 31500 37700 42900 33500 38400 19 40800 27900 32500 43500 31900 37600 45100 32900 39000 43100 33100 38000 20 38700 27300 31600 42400 33800 37800 43600 31600 38200 46600 34900 40800 21 41200 29300 34100 42300 34600 38100 43300 33400 38000 46000 33900 39200 22 42300 30600 36000 44400 35400 39300 43300 31400 37800 45000 33600 39200 23 42000 30100 36800 43500 34700 38700 43500 33800 38100 46000 33700 41000 24 42700 33300 37200 44400 35600 39300 42300 31800 35300 46800 38700 42100 25 43800 34900 38600 44500 35300 39400 39600 32200 35100 45700 36600 40400 26 44600 35200 39100 --- --- --- 39400 31700 34500 44300 34300 38900 27 43600 34900 38400 --- --- --- 45400 30900 36700 46700 33800 40000 28 42900 33700 37800 46000 35900 39100 42000 31900 35700 47200 34500 41000 29 43000 33700 37700 44700 32300 38700 41000 30600 35000 47400 34600 41200 30 42600 33700 37700 47000 36500 40700 46400 30600 36800 --- --- --- 31 42200 33000 36600 --- --- --- 45000 29200 37000 --- --- --- MONTH 50400 19600 36000 --- --- --- 48600 29100 37800 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1989 TO SEPTEMBER 1990 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 --- --- --- 46400 34700 39700 47700 24200 38500 53900 40900 47500 2 43600 32100 36800 46100 34200 39700 44700 29600 36800 54100 42700 48100 3 42300 32200 36300 46100 32300 37800 43900 28700 35900 54700 43400 48300 4 43400 32000 36500 42800 33300 37500 48300 31000 38800 53900 43900 48100 5 43200 33200 38000 44200 33200 37200 44900 31700 38200 53500 42600 47800 6 45300 33100 37700 43800 32400 37200 44300 31800 37400 54600 43200 47900 7 45000 32900 38300 43500 31800 37100 47700 32600 38500 52600 41800 47100 8 45800 31800 38800 40400 32300 36100 48300 34600 40800 47400 39800 43300 9 45100 33100 39100 39000 31400 34900 49300 35700 41400 44600 36900 40600 10 45100 33100 38700 39600 30100 34400 48700 35900 41200 48200 36600 40700 11 46600 32200 39200 40700 30000 35100 45800 35400 40100 47800 35700 41400 12 44300 33300 38600 40600 30300 34800 48000 36200 41100 48400 35700 40700 13 43700 32600 37800 39700 29400 34000 48800 35100 40900 45600 34900 40200 14 42600 33900 37300 41800 29900 34700 48400 36100 40700 47500 35900 39800 15 41500 33000 36600 41000 30700 35300 46900 36600 41500 46900 35400 40300 16 41300 31200 35300 41800 30500 34700 47200 37200 42100 47300 37400 41200 17 40100 28400 35300 40100 29900 34400 47500 39400 43200 46100 35800 40100 18 44000 30100 38200 41600 31000 35500 47400 37100 42700 46100 35500 40300 19 45700 31200 39900 42400 31300 38600 49200 38600 43800 46400 35500 40700 20 44600 33800 40600 44800 33200 38300 46900 37000 41600 47200 35400 40800 21 45700 32700 39400 43800 33600 39500 44100 36900 40300 48700 34200 40500 22 43800 34800 38900 43800 34500 39100 47000 35400 40300 49700 34300 41800 23 43700 36100 39100 44100 35200 38500 45300 37000 40900 50900 36300 44000 24 43000 34900 38100 45400 35400 39700 44900 35200 39300 51000 37200 44000 25 46500 33800 40200 46500 34800 40400 44000 33900 39200 50900 36200 43400 26 47200 35800 41400 48400 34500 41200 42200 32400 37400 50700 35600 42800 27 46600 35400 41000 49700 35800 42500 56200 33800 43100 48200 33800 41200 28 45900 33600 40100 52900 36600 44900 56300 38000 47400 47800 33200 39900 29 --- --- --- 51500 39500 46100 55800 41700 47700 46300 32000 37800 30 --- --- --- 50100 37200 43300 56200 38500 47200 42100 31900 36100 31 --- --- --- 50100 35400 41400 --- --- --- 40200 30200 35000 MONTH --- --- --- 52900 29400 38200 56300 24200 40900 54700 30200 42300 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1989 TO SEPTEMBER 1990 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 37000 27300 31800 51700 37300 44400 53000 36100 45300 51100 38100 42700 2 31700 24100 27700 54000 40200 46800 53600 42000 47200 52100 37800 44500 3 29200 22700 25800 56300 44000 48800 53700 39700 46800 51800 37300 45300 4 27900 22700 25000 55800 44300 49100 52900 40500 46200 53300 37900 45200 5 34900 22900 27600 55200 44000 49000 53900 42300 47400 53100 39600 46200 6 38100 28900 33300 57200 45100 49900 54300 36600 47400 52500 38900 46300 7 44900 33800 38100 59300 45600 51000 53500 41100 46900 50400 38100 44500 8 42600 33500 38400 52700 39600 47800 52800 37000 45900 49800 36200 42500 9 39600 30200 35700 51800 42000 46100 52000 40800 46000 50500 36100 42500 10 36700 29700 33000 51200 38800 45200 52700 39100 45000 49600 36900 42300 11 36200 28800 32100 51100 35600 44700 48700 35200 41000 48500 36300 41600 12 34900 28000 30500 50100 39300 44200 49400 34700 42100 47800 36300 41400 13 33400 27700 30100 49900 38500 43500 50000 34200 41200 47900 37000 41400 14 34000 29200 31600 49800 38700 43300 49400 33300 41400 48200 37300 42500 15 35600 30800 33200 49500 36500 43000 47900 33500 41000 49200 36500 42200 16 37800 32600 35200 49500 38300 43400 52100 34700 42600 50600 35500 42300 17 41200 33600 37300 48900 38600 43300 52900 35400 43800 52200 36800 43400 18 46400 37500 41100 52000 36500 43500 54000 38800 45300 51400 37200 44300 19 45900 41600 43800 53500 38000 45100 53300 36400 45900 51200 36900 44300 20 51100 39200 44100 54100 38700 46100 52800 34600 44600 50700 37100 44200 21 51300 32800 43100 54300 38000 45800 53000 38900 44800 50000 36400 42800 22 52400 35600 43400 55000 38500 45600 53500 38600 45800 47200 32500 40900 23 53100 36300 43800 55900 39800 46800 52300 40300 45600 47900 34500 40100 24 52900 38000 44300 56000 36500 45400 50300 38100 43200 46500 34800 40500 25 52900 39500 44900 54900 37900 46000 47600 35400 41100 46700 35600 40800 26 52200 40100 45600 54300 36300 46200 48000 34900 40600 46200 36300 40900 27 51900 40900 45600 55000 39800 46900 49900 33800 40900 46100 35600 41300 28 50500 40500 44500 54100 39200 46900 50400 35600 42800 47800 36900 41600 29 48900 38200 43900 54100 41400 47500 50300 36100 42100 49200 37800 42500 30 48700 36700 43100 53600 43200 47300 49300 36300 42600 48800 36600 43200 31 --- --- --- 51900 41500 45700 49800 38500 44000 --- --- --- MONTH 53100 22700 37300 59300 35600 46100 54300 33300 44100 53300 32500 42800 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1990 TO SEPTEMBER 1991 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 49200 34400 43300 52700 36400 42500 51000 36200 43500 49600 35500 42000 2 49900 39400 44100 48700 35900 42100 50600 35600 43400 48500 32800 41000 3 50800 34400 43700 48100 34900 40800 50200 36700 43600 47900 34600 41000 4 51100 34400 43900 43300 30900 37000 48800 35600 41500 47800 34400 41400 5 52000 34500 44400 41100 28900 34600 48200 33200 41100 47000 35400 41300 6 52400 37700 45200 41900 31100 35700 48400 35000 41400 45600 35100 40200 7 51800 38300 44300 41200 31000 35700 47500 36500 41600 43800 33900 38700 8 51200 37800 43300 40100 30200 35500 46600 37500 42600 43900 33100 40700 9 50400 35400 42100 39800 31900 36000 45700 37700 42200 44900 36800 41200 10 50700 33700 42600 37800 28700 33100 45800 37600 42100 44200 35100 40100 11 45200 30600 38200 43600 30200 37600 45800 38500 42200 46100 33900 40800 12 42600 27900 34500 42700 32200 38200 46600 37900 42100 42600 33800 38700 13 41100 27300 32700 44800 33700 39300 44700 35500 40600 39900 31300 35700 14 42300 22400 32100 44200 31400 38200 44500 36400 41100 34800 32400 33100 15 41700 23300 32100 44500 31900 38300 47400 36800 42200 32300 31500 31900 16 42500 26500 32900 45900 33300 39200 45400 36300 40300 31600 31200 31400 17 44500 28100 35200 43300 32300 38100 46900 36500 41200 31300 30900 31100 18 43100 27000 33900 45500 29200 39100 46300 34400 41000 31000 30700 29600 19 48100 27600 35400 43700 33400 38900 44100 34200 39800 30800 30500 30600 20 44200 27800 34700 43500 34100 38300 48000 33900 41600 30600 30200 30400 21 45300 30100 36200 45400 35800 40400 46000 36800 41800 30400 30100 30200 22 43300 30700 35800 44500 36700 40800 45300 36300 40200 30200 29800 30000 23 48100 29900 35100 43800 36800 40500 44300 35400 40000 29900 29700 29800 24 55000 31300 38200 44500 37600 40700 43600 34600 40300 29800 29600 29700 25 46700 32500 37100 44100 36800 41200 45100 37600 42000 29700 29500 29600 26 42900 29700 35200 44600 40200 42400 46400 28500 40400 29700 29500 29600 27 45600 32400 37700 44600 36100 41300 47600 35700 42500 29700 29400 29600 28 44700 34400 38900 45900 35600 40400 47500 36200 42000 29600 29400 29500 29 44300 35600 38600 47500 33900 40500 48100 35300 41300 43500 29300 32800 30 57400 36600 44000 50500 32700 43200 48400 35400 41300 44600 29700 36500 31 56700 37400 43700 --- --- --- 48000 34800 41200 42500 24800 33800 MONTH 57400 22400 38700 52700 28700 39000 51000 28500 41600 49600 24800 34900 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1990 TO SEPTEMBER 1991 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 43200 24800 33800 47000 30500 41900 46000 32000 39000 41100 30200 35200 2 43000 25000 33800 56200 31100 40300 45600 31900 37800 42000 31000 36300 3 39000 24300 31500 45000 33000 38700 46700 32200 38600 42100 34300 37900 4 39100 28400 33700 44500 30300 36500 47500 35500 39700 41200 34100 37600 5 38700 30600 35200 41300 31200 37000 44800 34900 39700 42500 36000 39800 6 40500 33700 37800 41200 33700 37700 41600 36400 38800 41000 35100 39000 7 41800 37300 39900 42000 34800 38600 42400 37000 40200 41800 35800 39400 8 43700 39000 41800 42700 38000 40900 42700 37000 40500 42500 37600 40500 9 45500 38900 42600 45200 39100 43200 43500 35100 40800 50000 37500 44300 10 42500 34900 39600 44800 35500 42100 44700 34100 40600 50500 32500 44500 11 41400 34300 38000 44800 38600 42000 47100 34200 41700 53200 36400 45300 12 41300 33300 37300 43900 37400 40900 49500 34200 42900 51600 39100 45500 13 42200 33100 36800 42700 34800 38400 50700 35500 42700 52500 37500 44700 14 41000 29900 35100 42800 33200 37600 50000 34900 41900 53600 36500 45200 15 39900 23800 31200 44700 32200 38600 49600 35100 41700 53900 31200 44700 16 39600 27000 32200 45300 28700 38600 48900 32000 40500 53600 36600 44700 17 38800 27300 32900 46300 27700 37800 46600 23800 34100 52000 37600 44900 18 40700 27600 33100 44900 30400 37900 45900 25700 34800 52700 36800 43800 19 39300 27900 33800 46600 29700 37900 47600 32000 40100 52500 38500 45600 20 37400 28000 32800 46500 29900 37400 46100 33400 39500 54600 39400 47900 21 36700 28100 32300 45100 30700 36500 44900 34800 39400 52800 37400 46600 22 38500 28100 33700 42400 30100 36200 43300 33200 38400 51000 38900 45800 23 34300 30200 32600 42300 31200 36500 42700 32800 38500 48900 38200 44300 24 31400 29800 30300 41600 29200 36100 42300 31100 37600 48800 36500 42700 25 29000 28400 28800 42500 32000 36800 44500 31800 37900 49200 33800 41200 26 44100 28600 32800 42800 31200 36500 43900 31500 37500 47100 32300 40600 27 46500 33400 39900 43200 30200 36700 44100 30200 37000 47200 31500 39800 28 47200 30900 38900 43500 30900 36400 41600 28300 35000 48900 33300 39400 29 --- --- --- 47600 30700 38800 43000 28600 34200 52200 33000 41600 30 --- --- --- 47900 30900 38800 42400 28600 34600 --- --- --- 31 --- --- --- 47500 32400 39800 --- --- --- --- --- --- MONTH 47200 23800 35100 56200 27700 38500 50700 23800 38900 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1990 TO SEPTEMBER 1991 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 --- --- --- 45900 31200 38900 32600 32100 32200 47100 29000 38900 2 --- --- --- 45600 31800 40800 32200 31600 31900 51100 30100 42300 3 --- --- --- 44700 30800 39600 31600 31200 31400 49300 35100 43200 4 --- --- --- 45300 34800 40600 31200 31000 31100 50800 36400 43600 5 --- --- --- 47100 31700 41000 31200 30900 31000 50000 36200 42700 6 --- --- --- 48000 34400 41100 31300 31000 31200 51800 34600 42700 7 --- --- --- 49300 29900 39000 40100 30900 33300 52500 33100 43500 8 --- --- --- 49700 31800 39600 41000 32700 36000 52600 35500 44700 9 --- --- --- 50100 29500 39300 37500 35100 36400 52800 35900 44700 10 --- --- --- 50600 29100 39800 46600 31800 36800 51000 36700 43800 11 49000 28900 37500 50900 30300 40400 46600 33300 39300 48300 33100 40900 12 48700 28000 37700 52200 29400 41300 45200 33600 36100 47400 32000 40800 13 49300 29400 39200 51000 31200 41000 35700 33200 34800 48500 35400 42500 14 49500 29100 39900 49000 31100 39800 48900 33800 39000 47000 36800 42700 15 49500 30300 39600 49400 28600 40300 47300 33600 40400 47900 34600 41800 16 46800 31900 40000 49800 29800 40000 49900 34900 42500 --- --- --- 17 48200 32500 40300 48000 31500 40300 50900 39100 45400 --- --- --- 18 46100 31500 39600 45900 32200 39800 52900 41900 47500 --- --- --- 19 44900 33800 39500 45200 32200 40000 49600 41000 46300 47300 38700 43000 20 42800 29900 37500 44500 33700 39200 49900 37500 44400 48700 38300 43800 21 45800 32700 38200 44400 33800 39300 49800 39000 45100 50700 37300 44500 22 47100 33400 39600 48100 35700 41200 50200 39600 45300 51100 40600 46300 23 46400 32700 40300 49200 33800 40100 49700 40700 44800 49900 37600 43500 24 49200 33800 41900 49100 32700 41000 50500 38700 43900 50500 38800 44300 25 49000 34900 42800 49300 35200 41600 49300 36200 42900 49600 38500 43300 26 49900 35100 42200 50000 35600 42200 48200 35900 42700 49800 37000 43300 27 48600 34200 41600 50300 35200 42900 45800 36800 41700 51500 37900 45100 28 47000 30300 39000 49900 33700 43000 45700 33100 39800 52500 39200 46100 29 46900 28100 38400 48100 36700 42300 46000 32500 38400 51400 40300 46000 30 45400 31300 37700 44500 34300 37700 41200 29200 35700 51500 40200 45600 31 --- --- --- 36300 32700 33700 46700 31500 38400 --- --- --- MONTH --- --- --- 52200 28600 40200 52900 29200 38900 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1991 TO SEPTEMBER 1992 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 51600 39200 46200 49800 38500 45100 47700 39300 43100 47300 36900 42700 2 52200 39100 46900 49600 37800 43800 48500 37800 43100 46800 37000 42500 3 51700 37400 45700 49200 34500 43200 47500 36600 41500 46900 37300 41100 4 52400 39400 45400 48900 32300 41900 45900 35200 41000 44800 35800 40300 5 51900 38900 45500 50100 35200 43700 48200 37200 43000 44500 35400 40900 6 52000 38300 45300 50100 36100 43600 50500 37000 42700 46200 36100 40800 7 53600 36700 46500 49600 36000 42800 47300 36600 42500 46700 35600 41200 8 54800 40400 47300 49500 36500 43600 47100 38300 42400 47400 37500 42800 9 55100 39600 47700 50600 38200 44600 46900 38200 42800 46900 37500 42400 10 53800 37300 47100 48400 37600 43800 46200 39000 42700 46900 37500 42300 11 52000 35800 45800 46400 39700 43100 47500 39600 43800 46800 40400 43700 12 50200 37600 45600 47300 40300 43700 46300 39600 43200 45900 39700 43300 13 51300 38900 46000 47600 41700 44500 46100 40000 43600 46600 39700 43400 14 50200 39700 46700 46700 41900 44700 46300 40300 43900 45400 37900 41300 15 49900 42600 46300 47100 41700 44300 46900 40600 44100 44700 39400 42700 16 48200 40800 45700 45800 40200 43400 46300 39200 44200 46000 36200 41900 17 48000 42400 45600 47200 39900 43700 46900 39200 43600 47300 37100 41200 18 46600 42600 44600 49900 38900 44700 44800 38200 41900 48300 35900 42300 19 46500 41100 43900 50100 38900 43900 48500 38200 43900 50200 35600 43600 20 48700 40000 44400 49700 38300 43700 50400 38800 44100 50400 38200 43700 21 51000 41300 46700 50100 38200 43800 50500 38400 43700 50100 36800 43200 22 51100 41900 46300 50200 38500 43700 50300 36500 43900 49800 36900 43100 23 52600 41500 46300 50700 37500 43800 50000 38200 43900 49800 37900 43200 24 52100 40800 46000 49200 37500 43000 48400 38200 42700 46800 33000 39600 25 52000 40600 46200 49900 36300 43000 48900 37900 43300 44500 33200 40700 26 51200 40300 45800 50200 37100 43900 49300 38200 43900 43400 35200 40100 27 51400 40200 45700 49500 37700 43500 48000 37300 43500 46000 37900 42200 28 51300 40300 45500 48000 37700 43700 47600 37200 43400 46300 38300 43000 29 51700 40000 45900 47800 38500 43700 45300 36500 40900 47300 40300 44100 30 49900 40000 45700 48400 38200 43700 43900 35200 40100 47200 39800 44000 31 49600 37700 45000 --- --- --- 46000 36900 41900 46200 38400 42800 MONTH 55100 35800 45900 50700 32300 43700 50500 35200 43000 50400 33000 42300 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1991 TO SEPTEMBER 1992 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 45200 37100 42200 46200 38700 42600 44800 36400 40600 51400 39400 46400 2 48100 39400 43300 44500 37400 41500 45800 35900 40500 50800 41300 45600 3 46400 36100 41800 45800 37000 41300 46800 35400 41100 51100 38400 44400 4 47000 36900 41800 47100 33800 41600 45500 34800 40100 52100 34600 44500 5 48600 36700 42400 47800 38100 42800 46500 34000 40400 52200 38900 44400 6 49700 39200 45400 47000 37500 42200 46100 34500 39800 52400 40500 45900 7 48600 38800 44500 45900 36000 40900 45900 35000 39700 53300 41500 47600 8 48000 37800 42200 46900 35200 40900 45700 35100 39900 52400 40400 45200 9 45700 37300 42400 46900 37500 41900 45100 35100 39600 49200 38700 43900 10 48200 39100 44300 47100 37900 41800 45000 35100 39400 48600 39500 44400 11 48000 41100 44900 45300 34700 38600 45100 34400 39900 49300 38800 44500 12 46700 37800 43200 44200 36800 40800 44600 33800 39600 51000 38600 44500 13 49100 37600 44800 43800 37100 41300 47300 35800 41900 51200 39500 45200 14 46000 37200 41700 46000 37200 41700 47500 36400 42000 51900 38700 44700 15 48100 36000 41700 44800 34700 40400 46300 35500 41200 51000 37500 44000 16 48400 36000 41500 47000 34200 41200 46500 34800 40500 50500 36700 43300 17 50800 34800 44100 47400 35200 41000 47300 33700 40100 50700 36500 43000 18 51100 36400 43800 47500 34700 40800 47900 33400 40200 49700 36900 43300 19 50800 35800 43100 47000 33800 40300 47900 33600 40700 49700 37400 42600 20 49800 33800 41700 48400 33700 41400 47400 36200 41200 48400 37500 42900 21 49800 34100 41500 48300 34200 40800 45800 34600 39200 47300 38000 43200 22 49000 34100 41200 47000 34500 40600 43400 34800 38700 47100 37800 42400 23 47500 36800 41100 45800 36200 40500 43900 36600 41200 45300 36900 41200 24 47000 38100 42100 46400 37600 41700 47500 39400 44000 43000 37500 40600 25 47400 40100 43500 44800 35400 41300 49000 42900 47100 45100 38600 41800 26 45900 38700 42900 44800 37400 41300 51100 45600 49100 45600 39100 42600 27 45900 38700 43600 43700 36500 41400 50300 45500 48400 46100 39100 42600 28 47000 40700 44200 43900 36500 41600 50400 44600 48300 47700 38900 43100 29 45100 36400 42300 43600 37100 41300 52600 45300 48500 47200 37500 42300 30 --- --- --- 44300 37000 41300 51600 34200 46000 46100 35700 40500 31 --- --- --- 44100 35800 40700 --- --- --- 47000 33000 39800 MONTH 51100 33800 42900 48400 33700 41200 52600 33400 42000 53300 33000 43600 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1991 TO SEPTEMBER 1992 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 47800 31800 39300 47300 30000 37700 48700 36500 42300 48100 33100 40900 2 48000 32600 39600 48100 32200 39500 48800 35000 40600 47900 35600 41600 3 48000 32100 39100 48100 32500 40200 46500 34200 40000 45200 37400 41800 4 46800 32200 38600 48200 31700 38700 --- --- --- 46100 37500 41900 5 45300 31700 37700 45400 29300 37100 --- --- --- 46500 38600 43000 6 43300 31800 37200 45000 29200 36300 --- --- --- 46200 39100 42200 7 42900 31000 36400 44400 28200 36300 47900 39500 44200 47900 37200 42900 8 41500 29200 35400 45500 31000 38300 48700 39100 43600 47700 40100 43800 9 40500 28400 34400 44500 34400 38800 48600 39400 43500 47300 38800 43300 10 42700 29100 35100 43900 33100 38400 47800 37900 42100 47100 38900 42700 11 43100 30100 36900 46500 35800 40700 47200 33700 41000 46400 37100 42000 12 44100 29100 37300 48100 34800 40100 46900 37600 41400 46800 36500 42100 13 42300 28300 35100 48600 33200 40200 46500 37500 42100 46800 37200 42500 14 38100 25500 32200 49100 34200 40700 45600 37500 41700 47800 37400 43100 15 37800 24100 29900 45700 35600 41100 44900 35800 40700 46900 37400 42200 16 44100 22300 30000 46700 36100 41400 45500 36600 41800 45800 36800 41700 17 44300 26300 36000 48600 38400 43100 44700 34600 40100 45000 37200 40900 18 44600 30100 35100 48100 36400 42500 44400 34400 39600 46900 37500 41800 19 40900 28700 34900 48900 38700 43600 45000 33500 39800 47900 35400 42300 20 40900 28300 35700 47900 34800 41800 45800 34700 40500 48900 37100 44300 21 42200 29600 36500 48000 34200 42800 48200 38100 43300 48500 39600 44000 22 43900 27500 38400 47000 37400 43400 48000 37000 42800 48900 38500 43100 23 45100 38100 41700 48000 36700 44600 47600 37900 43600 51200 36600 43700 24 44700 35500 40800 46100 36600 42800 47800 32700 41100 52000 37600 45600 25 42700 29600 37700 48200 34800 41500 48000 34000 41000 51100 40000 45800 26 45900 29300 39900 48900 33700 40900 48400 33500 40500 50900 39600 45100 27 48000 29300 39800 49000 33100 40100 47700 33100 40300 50200 38700 44400 28 49600 35800 41000 48700 32700 40000 47400 33400 39100 50300 37000 43300 29 49000 35200 41700 52600 35300 42600 48600 32300 40600 49900 36900 43500 30 46300 32700 40100 48500 36400 41500 48900 34600 41300 48700 36000 43200 31 --- --- --- 49500 35900 41300 49400 34200 41500 --- --- --- MONTH 49600 22300 37100 52600 28200 40600 --- --- --- 52000 33100 43000 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy WORKING DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1992 TO SEPTEMBER 1993 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 --- --- --- 39300 32500 35700 --- --- --- 43700 33000 37500 2 47500 36700 42200 43100 35600 39200 47500 41600 45300 44800 36400 39300 3 47300 37000 43100 44500 34300 39900 48000 41400 45900 44000 34600 37700 4 45700 36000 41200 45300 36500 41700 48600 41400 46300 45000 32900 41000 5 48000 36300 40800 44200 35900 40500 46400 41500 43900 38600 31600 34300 6 49000 40600 46000 43200 37600 40600 47500 39600 44300 47600 30500 36500 7 47600 38300 44200 --- --- --- 49000 40400 44000 41400 30400 35700 8 47100 37900 42700 --- --- --- 49700 39000 44300 46800 29500 34700 9 46100 35600 41200 --- --- --- 51400 40000 45400 49100 27700 35300 10 46300 34800 40600 --- --- --- 51200 40300 44800 --- --- --- 11 47300 34400 41000 --- --- --- 47200 36900 41700 --- --- --- 12 50000 34300 42800 --- --- --- --- --- --- --- --- --- 13 49300 36100 42500 --- --- --- --- --- --- --- --- --- 14 49000 36500 42000 --- --- --- 49300 38400 43800 45400 26000 36200 15 48400 35600 41700 --- --- --- 48300 38800 43700 45900 30800 37900 16 47300 35600 41400 --- --- --- 47600 37500 42600 48100 33500 41000 17 47900 36400 41700 --- --- --- 46200 35300 40900 46300 32400 38700 18 49200 36400 43700 --- --- --- 44500 35200 40600 44200 31400 38000 19 47800 36300 43600 --- --- --- 46300 34400 40100 47500 30800 39900 20 47800 37200 42500 --- --- --- 46500 32600 38700 46600 32500 39500 21 47100 35500 41600 --- --- --- 46900 32600 40600 43700 30900 35900 22 47800 34700 41400 --- --- --- 48700 35200 41200 --- --- --- 23 48700 36400 42200 --- --- --- 47200 33700 40100 --- --- --- 24 48000 36100 41700 --- --- --- 45900 33500 39900 --- --- --- 25 47100 34500 40500 --- --- --- 48600 36100 42500 --- --- --- 26 46500 33800 39900 --- --- --- 47100 34600 41600 --- --- --- 27 45200 32300 38300 --- --- --- 48000 36700 42500 --- --- --- 28 43600 32000 37200 --- --- --- 45900 35400 41900 --- --- --- 29 42000 31700 36300 --- --- --- 42800 35100 39100 --- --- --- 30 37600 31400 34600 --- --- --- 44500 38900 41800 --- --- --- 31 35700 30900 33800 --- --- --- 43400 33300 39700 --- --- --- MONTH --- --- --- --- --- --- --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy WORKING DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1992 TO SEPTEMBER 1993 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 --- --- --- --- --- --- 45400 33400 40100 47200 36100 41700 2 --- --- --- --- --- --- 47600 34000 41400 48700 35900 42000 3 --- --- --- --- --- --- 48700 32800 41900 49400 33700 41400 4 --- --- --- --- --- --- 51300 35100 43100 49800 34300 42100 5 44200 33500 38800 --- --- --- 52200 33900 43800 49400 33800 41600 6 44600 33600 39000 --- --- --- 50900 29400 40600 49300 33200 41500 7 44000 33600 39400 --- --- --- 45200 29800 38000 51500 33300 41200 8 40900 32300 37100 --- --- --- 44100 29200 36900 50100 33500 42200 9 40900 31100 35600 --- --- --- 44300 28200 36300 48900 34100 40400 10 41600 29200 35200 49200 29600 39100 44000 26300 34500 48300 35900 40600 11 41600 28700 34700 48700 27800 38100 44000 27100 36200 46400 35500 39800 12 41900 27600 34200 49400 31400 41000 42900 28800 36300 45100 35200 39600 13 40200 27500 33900 51100 27000 40000 43400 31300 39200 44600 34500 39400 14 40500 31700 36700 46800 30100 39400 43300 33300 38900 46300 33500 41100 15 44300 33200 39100 44000 35100 41500 42600 34600 38400 47500 34800 42100 16 43200 32900 38100 45400 37400 42000 --- --- --- 46100 34800 41400 17 41100 32100 37200 46500 37100 42700 --- --- --- 46600 35900 40400 18 43300 33300 38500 46800 37800 43700 --- --- --- 47100 34700 40400 19 44300 34000 38800 46900 38000 43200 --- --- --- 49000 35000 41000 20 43000 32500 37800 45300 36500 41500 44400 33000 38500 51400 35900 43000 21 43400 32300 37600 43400 35900 39900 45000 33000 38400 52300 38300 44900 22 42200 30200 35800 42700 35100 38500 44700 30600 38000 51400 39900 44900 23 41700 31000 36700 42500 34000 38100 45000 33700 39100 52000 39600 44500 24 41900 31100 37200 43300 30100 35800 46200 33100 38900 51000 39200 44200 25 41900 33300 38100 45600 29000 36500 46700 32200 39100 51100 38700 43600 26 39000 26900 31700 45600 26600 39200 45700 34800 39700 50100 38200 43100 27 --- --- --- 45400 29700 37100 45800 34800 41300 49800 38000 43300 28 --- --- --- 42400 30600 36000 47500 36600 42600 50100 38100 43300 29 --- --- --- 44000 33000 39500 48100 37100 43100 48800 37100 42600 30 --- --- --- 46200 36300 42300 47400 37300 42700 50500 36300 42700 31 --- --- --- 46300 37400 43300 --- --- --- 51300 37100 43500 MONTH --- --- --- --- --- --- --- --- --- 52300 33200 42000 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy WORKING DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1992 TO SEPTEMBER 1993 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 52000 36800 43400 49300 35100 41700 52300 37900 45500 48300 33400 41000 2 53400 35700 44800 49200 33900 41600 50100 34800 43800 48400 33100 41000 3 52500 36500 44700 48600 33300 40700 48900 34200 44000 47500 33700 39800 4 51200 37500 43700 48000 33500 40200 48600 36100 42700 46900 34900 40600 5 51900 36300 42500 48800 33100 40600 49000 36000 42300 47700 34800 41500 6 51700 34700 42700 48800 34100 41700 48100 38100 43500 48000 37000 42500 7 50500 37500 42400 48100 34200 41500 49500 38800 45000 47700 38300 43600 8 48600 36300 40900 46500 36100 41200 48100 39900 44900 47600 35800 42000 9 45700 34400 39600 46100 36000 41400 48500 38900 44900 47900 34400 42700 10 44600 34400 40400 45300 37000 41700 47400 38200 44300 47300 35600 42600 11 45900 36900 42700 47200 38900 43500 47500 39900 44500 48700 37300 43300 12 48100 38000 44900 48000 38200 44000 49000 39200 44400 49400 37800 42900 13 48400 40900 46000 47900 36400 42800 48200 40000 44300 49400 36200 42400 14 49000 38600 45000 43600 35000 40000 49400 39300 43700 50100 37300 42700 15 47800 33500 41600 44100 35200 40000 50800 39400 44300 50200 36700 43300 16 48000 33300 42500 --- --- --- 51700 37900 44800 50300 36000 43400 17 49000 32000 42500 --- --- --- 51400 38700 45200 50200 36400 43500 18 49700 38300 43400 --- --- --- 50600 39600 45000 50600 36200 43400 19 50600 38300 43400 --- --- --- 52500 39300 45300 50900 36000 43800 20 50700 37500 43400 --- --- --- 52100 40700 46200 51600 37800 44300 21 50400 37500 43300 --- --- --- 52400 38100 45900 48600 36600 42700 22 49600 34800 43100 --- --- --- 51800 36700 45200 46900 35100 41400 23 50000 33800 42900 52100 38600 45100 51900 36100 44800 47100 36800 42600 24 50600 36100 43600 51900 38000 44700 50600 34800 44200 46100 36300 42100 25 49900 34300 42400 50600 37500 44100 49300 36800 44100 46600 36800 41800 26 47700 33900 41500 52400 39200 45500 48900 37100 43400 45700 34700 40600 27 48200 35300 41700 50900 39300 45700 49000 36000 43400 46400 34000 40500 28 48000 33900 41700 50500 38400 43900 49200 31400 42400 46900 34500 42200 29 48300 34200 41500 50700 36800 43600 49700 36900 42700 47200 36700 43200 30 49200 35400 41600 51500 38300 44100 50300 32500 41900 47200 37200 42800 31 --- --- --- 53000 37300 45400 49300 34200 41700 --- --- --- MONTH 53400 32000 42800 --- --- --- 52500 31400 44100 51600 33100 42300 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy WORKING DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1993 TO SEPTEMBER 1994 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 47500 37600 43300 46900 33900 41700 49500 38600 44200 50400 38000 43600 2 47300 37200 42800 49200 36500 44100 50000 38900 44400 48500 36900 43100 3 46000 36800 42100 48000 36700 43100 48100 38400 43300 49900 37600 44100 4 46300 37000 42400 48200 38200 44000 48100 38300 43100 49000 35000 40700 5 46600 37700 42400 47800 35900 42600 46500 35400 40700 46600 37100 42600 6 47900 37700 43400 46700 33600 41400 46600 38700 43000 48000 36800 42500 7 49000 38600 45200 47600 36400 42500 46300 38000 42900 48500 34300 41500 8 48700 39800 44500 47600 34700 42700 47500 36900 42300 47000 33300 40300 9 46200 39300 42900 48500 38300 43900 48000 36300 42000 50200 33900 42300 10 46700 38300 42500 49200 34100 42800 48800 35900 42000 50600 34800 43300 11 49000 38100 43900 49400 36200 42600 46300 33300 40300 51000 35500 43300 12 48500 36300 43200 51000 35000 43500 48000 33300 40900 49200 34500 41900 13 53700 37300 45200 51000 36200 43500 48500 34100 42000 49300 33800 41700 14 53500 40900 47400 50200 35000 42700 49200 35300 42300 47400 34400 40400 15 53400 40700 47200 49500 34800 42300 47300 34900 40900 44400 32400 38500 16 53500 40400 47100 48800 34600 41600 45600 34700 40400 46500 33400 41200 17 53200 39200 46100 48100 35400 41600 47100 37100 42300 45700 37300 41900 18 51900 38300 44900 46500 35800 41400 47900 36900 43500 44000 36100 40400 19 52100 38100 45000 46900 37800 42500 47300 38500 43400 47000 35000 42400 20 50800 38900 44800 44700 36900 41900 46900 39300 43900 48000 41400 45200 21 48600 38800 43900 47000 37800 43200 46600 37500 42800 48000 40800 45400 22 49800 39800 44500 47500 40800 44700 47100 40300 44400 47600 41000 44700 23 51300 40600 47300 48200 41100 45400 48000 39400 44300 46100 38200 42800 24 51100 41700 47600 48000 40000 44700 47800 37300 43900 45700 37400 41300 25 51300 37400 46000 48300 40300 44800 46000 37200 42800 46800 35600 40700 26 51500 38500 45100 49700 40200 45600 46400 36700 41800 47600 35900 41500 27 50100 38300 44700 49800 40400 44900 46600 36400 42000 49600 36400 43400 28 48900 40200 44900 48600 38100 42800 48800 37200 43200 48600 37100 42100 29 49500 40100 45000 47900 37800 42900 50200 37700 44100 47000 34100 40300 30 51400 38600 44200 48000 37600 43000 50200 37500 44200 47400 33300 40500 31 47800 35200 41500 --- --- --- 49800 38600 44000 47400 32200 39500 MONTH 53700 35200 44500 51000 33600 43100 50200 33300 42800 51000 32200 42000 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy WORKING DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1993 TO SEPTEMBER 1994 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 45700 31400 38300 49300 34600 41300 50800 36000 43200 50200 36500 43000 2 45000 31000 37500 49200 30400 39500 49700 35600 42000 48400 37000 43800 3 44000 32100 37500 45500 29100 36500 46900 35200 40900 50500 39300 46100 4 43300 31600 37300 44400 31100 37400 46000 33200 41400 50100 39600 45100 5 --- --- --- 44300 31100 39100 47700 35100 42500 48100 38200 44200 6 --- --- --- 46800 34600 40700 46600 35100 41300 47800 38300 43200 7 46000 31100 38500 45900 31700 39100 47200 34000 41200 47000 37500 42100 8 46100 31300 38600 45500 32200 38800 50700 35400 43900 --- --- --- 9 44100 31000 36900 46400 30900 39500 50300 36500 44100 --- --- --- 10 46600 30100 38800 45100 31100 37900 49300 36300 43000 --- --- --- 11 47200 31600 40000 46400 28600 39100 49200 35700 42200 45700 35200 39900 12 45900 30900 39100 48000 29900 40400 49500 35400 42600 44500 34600 39700 13 45900 32700 39400 47400 32700 40600 49300 34900 41700 45600 35100 38900 14 44100 32900 39500 46700 32900 39400 48000 35000 41400 45200 35400 39900 15 43600 32400 38300 46200 34200 39600 48400 36700 42900 45300 35300 39800 16 43900 33700 38900 46200 33700 39400 48600 37300 42500 44100 34400 39600 17 44800 36500 40200 46400 37000 41600 47800 37800 44300 44400 35200 41000 18 47500 39000 42900 45000 37800 41500 46200 35300 42300 46000 37400 42100 19 47600 40400 44300 46900 39300 44100 49000 38600 44300 48300 34500 42400 20 44900 36500 42700 47800 40800 44900 48200 38000 43300 49700 38500 44600 21 45800 37500 41500 48300 41700 45100 48000 37400 42800 50600 39700 45300 22 45700 37100 41900 46400 37600 43000 52000 37000 44300 50500 40000 45800 23 46300 36100 41100 48100 37800 43400 54000 36100 45400 49600 39800 44900 24 44700 33800 39200 49000 37700 42900 52600 38000 45100 49100 36900 42900 25 48100 33300 40900 48700 36400 42400 52200 35900 44000 49700 31400 40900 26 48600 34100 41300 51700 35900 43900 54400 35600 44700 49900 34200 40800 27 49600 34100 41700 51100 37400 44300 53400 32200 43800 49700 31300 39400 28 49600 33300 41700 50800 35400 43000 53500 36300 44200 --- --- --- 29 --- --- --- 51100 32900 41800 53000 36100 43700 --- --- --- 30 --- --- --- 51500 34800 42800 52100 34100 43600 --- --- --- 31 --- --- --- 52200 35500 43300 --- --- --- --- --- --- MONTH --- --- --- 52200 28600 41200 54400 32200 43100 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy WORKING DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1993 TO SEPTEMBER 1994 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 --- --- --- 41800 27300 36600 37900 29700 34900 48700 39100 44400 2 --- --- --- 41300 32300 37200 49100 29000 37100 50600 36500 43600 3 --- --- --- 41200 32500 36700 49900 30200 43400 51300 38000 43800 4 --- --- --- 40700 32100 36200 50000 36200 43500 53300 36800 44900 5 --- --- --- 40700 30600 35700 50500 36500 42900 52600 35900 44800 6 --- --- --- 41100 28300 34600 53600 35000 44400 51300 39500 45500 7 --- --- --- 40800 27400 33700 53800 37100 46000 50800 35700 43400 8 --- --- --- 41800 26800 33500 54400 38900 46400 51100 35600 43400 9 --- --- --- 42700 28300 34600 53700 36300 45200 50200 36700 42900 10 --- --- --- 42800 26700 34400 52200 35700 44800 49700 32100 40300 11 --- --- --- 41900 28100 35300 52400 34200 42800 48600 31600 40400 12 --- --- --- 41800 26100 35500 50200 30700 40900 45700 31400 40100 13 --- --- --- 42100 29000 35600 48700 30700 40200 45900 32100 39800 14 --- --- --- 41500 30100 35000 49000 26900 38800 45300 31400 39100 15 42900 33300 38500 41600 29800 35800 44900 29500 38300 47600 31500 38500 16 41900 32600 38100 41700 31100 36100 46600 29700 37300 49000 30700 38700 17 42300 32700 38000 42600 29400 35900 49200 31100 39700 47600 31600 39000 18 44200 31900 38000 42800 29000 36100 49500 26300 39000 45600 32000 39300 19 45600 32000 38400 43700 29000 36500 50200 27400 40000 49000 30000 41600 20 45400 32100 38600 42300 29200 36500 50000 31600 41300 49700 33600 43300 21 46600 31400 38300 42200 27400 35600 48100 32100 39900 49200 36000 43400 22 47000 31300 39200 42300 28700 35000 49500 30900 40700 48200 36300 42700 23 49200 31700 40200 41900 28000 34800 49000 32100 41300 46300 36300 40900 24 49200 31900 39800 41200 24800 32800 48800 32800 41300 45400 30600 38300 25 48600 30900 39400 41200 27900 34000 47500 35400 42200 44700 32000 38900 26 47600 31600 40200 38900 26900 33300 47200 36300 42000 46500 36600 41300 27 47000 30100 39200 38200 27700 32500 46600 37000 42800 45700 36500 41300 28 45000 25900 37400 36200 27900 31900 48200 40000 44100 43500 36100 40400 29 42300 31300 37100 31300 27900 29400 47600 40300 44800 45700 38500 42000 30 41900 28000 36700 30900 27800 29600 48100 41200 45200 46900 37900 43500 31 --- --- --- 36200 28700 32000 49600 41700 45600 --- --- --- MONTH --- --- --- 43700 24800 34600 54400 26300 41800 53300 30000 41600 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy WORKING DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1994 TO SEPTEMBER 1995 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 46300 35100 40100 47500 34700 41000 49000 37900 41900 50100 32300 40600 2 47500 35800 41300 47700 34000 41200 47000 37000 40700 49800 30100 39400 3 48400 35100 40700 49600 34100 41700 43700 35400 38000 44500 26800 36200 4 48200 33700 39800 49600 33200 41100 37900 34900 36100 43100 27300 34500 5 47400 31900 39200 49600 31600 40300 37100 34400 35500 47700 26800 36100 6 47900 30700 39100 49200 31400 40100 34700 32300 33300 48200 34000 41100 7 48800 30500 38700 49200 31300 40000 32700 31200 32100 45600 29800 36300 8 40900 23700 32300 48000 33200 40200 46900 29700 34700 44600 33700 38700 9 47400 29600 37600 45200 31900 38600 50100 34700 42200 45400 34200 40600 10 47300 29700 38500 42200 32500 37000 47700 35400 41500 46400 33700 41500 11 46700 32500 40400 48600 34400 40900 48400 35900 41800 47700 38100 42800 12 45700 33300 41000 48000 34100 41100 50700 37500 44400 47300 36300 41700 13 44700 28100 37900 45200 34700 39700 51200 38600 45200 46400 35000 40900 14 42900 26100 34400 45500 35100 40000 49800 38500 44400 46000 34600 39700 15 47600 27300 38300 46700 35100 40300 49700 38600 43900 45500 33500 38200 16 46000 31100 39800 47000 35400 41000 51000 38100 44100 43800 30600 37000 17 46900 30700 38800 46900 34700 41400 49400 38500 43500 48300 29300 37700 18 45900 29000 38600 47200 34600 41300 48000 37400 42400 48500 28300 38000 19 47200 30300 38300 46700 36600 41400 50400 37000 42900 48500 30100 38300 20 45600 27600 36600 48200 36900 42600 51100 36800 43000 46000 27500 34200 21 48600 30100 39300 48400 37500 42100 52000 37500 43700 42100 26000 33200 22 47000 35300 40600 46100 35700 40100 51000 37300 43900 42700 28400 34500 23 45600 34400 39600 47500 34900 41100 49600 36600 42900 45100 31300 37400 24 47600 36300 41800 47400 36500 42200 47800 35400 42000 44900 32400 38100 25 47500 38900 42900 47000 36700 41500 47600 33900 40200 45700 31700 38300 26 47000 38400 42900 46100 35500 41300 48000 35300 41100 41600 29200 35600 27 48300 39300 44500 46900 36100 42100 50700 35100 42200 44900 30100 36700 28 47800 40300 44500 47300 36700 40900 50900 34100 41800 44900 30100 36500 29 47900 37800 43400 48400 37400 42500 50100 33600 41500 46200 28600 38000 30 45600 36600 42100 51100 37800 44100 51900 31200 42900 46100 30500 38100 31 46900 35900 41400 --- --- --- 51000 32500 42100 46300 29800 38100 MONTH 48800 23700 39800 51100 31300 41000 52000 29700 41200 50100 26000 38000 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy WORKING DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1994 TO SEPTEMBER 1995 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 45900 31000 37700 45100 30600 38000 48200 33800 41000 51500 35300 41600 2 44800 30500 37000 46100 30700 38500 47400 33800 40200 --- --- --- 3 45600 29900 37900 44400 29500 37800 47400 35000 39600 --- --- --- 4 45600 28600 35200 44100 30900 37000 44700 33000 37300 50100 37800 42500 5 43500 32000 36300 42400 30800 36200 45200 32400 38700 48700 36900 42100 6 45300 34400 40000 39900 29000 33000 46600 36500 41200 48900 37300 42400 7 44500 36900 41400 34300 29200 31000 47300 34500 40800 48300 37300 41800 8 45900 37700 41900 37800 29300 31700 44700 36800 40500 47800 37900 41800 9 45400 38500 42200 44200 28400 35300 45700 37400 41300 47000 37800 41900 10 46100 38500 42200 48500 38200 43900 45300 36100 40400 45700 36800 40900 11 46100 36900 41100 47200 36300 43000 46800 35400 40500 47500 34800 40700 12 46700 36400 40400 44100 34800 40500 45900 33600 39800 49400 33500 41100 13 46500 35800 40900 43600 33300 38500 44000 32900 37900 51300 35100 43200 14 47700 35500 41100 44000 34500 39100 49600 32800 41600 52300 35800 43200 15 48300 34900 41000 45000 34800 39500 50100 33800 41500 51900 34200 43500 16 45100 32900 38800 43500 34900 39100 49400 34000 41600 52300 35900 43900 17 46400 28300 37700 44500 33700 38600 49700 34300 41300 51300 35500 43100 18 46400 30600 38000 47200 32800 38900 51000 34800 41700 51300 33000 41100 19 45200 29700 37200 47200 33100 39900 51100 34600 41600 50700 33100 40200 20 45200 29800 37400 46700 32500 38600 50300 32400 39800 49900 32800 42400 21 43600 30300 35900 45200 27200 35500 48500 31000 38900 50800 36700 43200 22 44000 31000 37100 44300 29100 35400 47000 32000 39600 48700 35700 42600 23 44400 32700 37500 43700 29900 36000 50200 34200 42100 48900 36000 42600 24 44500 30500 36700 48000 29900 39800 50600 34000 41800 48700 37100 42900 25 48300 30200 38500 47000 30700 39300 49700 34000 42400 48700 38000 42700 26 47600 30800 38600 48400 27800 39400 50300 35500 43300 48500 36700 42100 27 46600 30800 38700 46900 33000 39400 51300 35700 43100 49500 35100 41600 28 47700 30300 39300 48200 28800 38900 51300 35900 43300 50000 36200 42000 29 --- --- --- 50100 29100 40500 51400 34700 42600 47800 36400 41200 30 --- --- --- 48900 29300 39500 49700 36600 42500 44600 35000 39600 31 --- --- --- 48500 30800 40900 --- --- --- 49900 33900 40500 MONTH 48300 28300 38800 50100 27200 38200 51400 31000 40900 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy WORKING DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1994 TO SEPTEMBER 1995 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 49700 36100 40800 45100 33800 39400 43100 32900 38000 40200 24100 30900 2 47400 33300 38500 44900 33600 38300 44600 33000 38100 42000 24900 32500 3 47500 34200 41000 43200 33300 38400 43100 31600 36600 42300 27900 34100 4 47500 36000 41000 42600 31600 36800 41300 30500 35500 42800 26800 34200 5 47000 36800 41400 43500 31300 36700 42500 26900 34600 42500 26800 34400 6 47200 34700 39600 44000 31400 37800 43400 26400 34700 41800 28000 35200 7 47700 36600 41700 45300 32900 38700 45600 26900 36700 40600 27900 34600 8 50000 36600 42100 46000 31800 38300 46100 31400 39500 40300 27000 33700 9 52000 36800 42700 46900 30900 39000 46200 34200 41400 39800 26200 33100 10 53100 32600 43400 47800 32100 39800 46200 34500 39700 40100 25900 32600 11 52700 36500 44200 47600 31900 39600 45400 29700 39300 39600 25900 32500 12 49900 34400 42900 --- --- --- 45600 30900 39000 40000 26700 32400 13 --- --- --- --- --- --- 45100 33300 38400 37600 26200 31200 14 --- --- --- --- --- --- 45400 32600 38100 35400 25700 30300 15 --- --- --- 46300 30500 37200 45600 31600 38500 39400 26800 32600 16 --- --- --- 44300 29000 35900 --- --- --- 41500 28100 35000 17 --- --- --- 42000 28300 35100 --- --- --- 39300 29000 35000 18 --- --- --- 40700 28700 34700 44800 35400 39900 41400 25800 34700 19 --- --- --- 40700 27600 35300 45000 32900 39800 35900 28100 32300 20 --- --- --- 41300 31800 36200 45300 34500 40600 35900 26200 31600 21 44400 33300 39200 40000 32000 35800 46000 31900 38400 41400 26400 35100 22 43600 33100 38900 41300 31000 35700 46800 34500 40700 41100 32500 36800 23 45100 33000 39200 41900 32100 36100 45500 33400 39500 42800 32100 36800 24 45200 33900 39200 41800 32200 36100 45100 34100 40400 44300 32500 38100 25 44100 34800 39100 43200 32000 36800 44600 32800 39300 44000 34000 38600 26 46200 34500 39700 43400 33300 37000 43000 33000 37600 44200 28500 36400 27 47000 35000 40400 43400 31200 37100 41800 30500 35700 43200 29000 34900 28 45900 35300 40500 41900 32300 37000 44500 25400 33200 43200 26400 34700 29 47100 35400 40600 42400 32000 36600 44500 26300 34100 42700 28800 34900 30 45500 34700 40100 42200 31100 36700 44200 26300 33900 41900 28400 34300 31 --- --- --- 42400 32400 37600 39500 24000 31500 --- --- --- MONTH --- --- --- --- --- --- --- --- --- 44300 24100 34100 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 41300 29200 35000 45500 32400 39200 45500 33500 39500 44300 35400 39800 2 40900 28600 34000 44900 33500 38800 43500 32900 39100 44900 36000 40200 3 41300 28200 34200 44600 32700 38600 45900 32900 39600 42000 34500 37800 4 39900 27600 33700 45300 31700 38800 45500 33800 39600 40500 33600 36800 5 39300 25800 32300 48000 31600 40400 47800 34800 40900 41500 32900 36600 6 40400 24100 31400 47800 34100 40200 46800 35500 41000 41300 31500 36300 7 40700 24200 31900 48300 34600 39800 45900 35000 40500 42300 33300 36900 8 41900 25300 33900 45100 31600 38600 47600 35800 41600 38600 31100 34700 9 43700 27400 35900 46400 32600 38800 45600 34500 40500 40600 29800 35400 10 43800 28500 36500 44800 34300 38600 43800 34300 38900 43700 31800 37600 11 42900 30100 35300 43300 32800 37300 43000 34000 38000 44900 36300 40700 12 42300 31100 35900 40300 31000 36100 42900 33600 38000 45200 35000 40000 13 39600 30100 34400 42600 33300 38200 42900 34900 38800 44100 36500 40500 14 36900 28200 32600 43300 35100 39500 42000 33900 38300 44700 36100 40400 15 42200 26700 33900 44300 32900 38700 41500 34300 37900 45300 35200 40300 16 41600 26700 35900 43400 32500 38600 41900 33900 38400 46900 36200 40900 17 41900 28300 35000 43900 35800 39300 46500 35200 40600 48400 36000 41200 18 41700 25900 37200 44400 35500 39700 47500 35800 41200 48400 35900 41600 19 41000 27100 35100 45500 34100 39700 47300 35300 40800 49300 35000 41100 20 41400 29800 35700 46600 34100 41300 45900 34700 40000 48600 31900 40800 21 39400 29800 34600 49000 37500 42900 48500 34900 41700 49900 34400 41900 22 40700 29200 34500 49500 37100 43300 49000 34900 41600 49700 34300 41900 23 42500 29300 34600 49800 37300 43300 49000 34400 41300 49200 35400 41800 24 40400 29000 34300 49100 36600 42300 48800 33000 40200 49100 35500 41200 25 42200 27500 34100 49100 34100 40700 48000 33000 39900 45500 32500 39300 26 40700 26900 34200 48100 34700 40400 47600 33200 40000 45100 34300 40000 27 43000 27400 36200 46500 32800 39400 46300 34300 40000 43200 32300 37400 28 43800 28700 36800 45200 33300 38600 45400 34000 40000 42300 32300 37600 29 44000 32000 37600 44000 33500 38600 44200 32300 39400 44900 36000 41400 30 46000 33100 39900 45900 34300 39700 43700 32300 39100 45100 37700 41600 31 45900 32700 38900 --- --- --- 45000 35300 39700 45100 37200 40600 MONTH 46000 24100 35000 49800 31000 39600 49000 32300 39900 49900 29800 39500 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 46400 36500 41000 47700 35400 42700 44300 35800 40300 49900 36900 42500 2 45600 36600 41100 48800 39100 42900 46700 36400 40700 49700 35700 42600 3 45600 35400 40700 46600 38600 42000 46500 35800 40900 50200 35100 42000 4 44500 34800 39600 48300 37900 42300 45700 34700 39900 49100 29900 39200 5 44500 32300 38600 47800 38600 42600 47500 33000 39200 48000 28200 37500 6 44300 31500 37600 47200 36600 41600 49700 33700 40900 49700 29200 37600 7 43700 32200 38000 46700 35600 40800 49700 34800 41900 51200 31900 41200 8 44000 33000 37900 46100 31300 38400 49500 35000 41600 51800 35000 42000 9 42300 32100 37000 46600 32800 38500 48500 35400 41000 50700 34100 41600 10 44200 35500 39800 47100 33300 38700 47500 35900 41300 48400 33700 41100 11 43700 34600 39100 47100 36300 40300 47200 34500 40500 47900 34000 41100 12 45000 35400 39100 49800 38100 42600 45100 33000 38700 50400 33600 42700 13 45000 34900 39600 47300 37500 41900 43700 32200 38300 51400 35900 43900 14 46100 34800 39200 46100 36800 41100 46300 32100 39100 48400 35500 41600 15 48700 36300 41300 46400 35500 40800 47500 33500 40500 48100 33300 40200 16 49400 34800 41500 47500 35500 41000 47100 32400 39100 47400 33900 39800 17 50300 35000 42200 49000 36000 41700 48300 32800 40200 46100 34100 39300 18 51400 35200 42500 49900 35300 41800 48800 34200 40500 45700 31700 38400 19 51500 35500 43600 50100 34400 41300 48700 32600 40300 45800 33000 38100 20 50200 36600 42800 47100 29400 37300 47100 33200 39600 44400 32800 37600 21 50000 35100 42000 47300 30100 37100 47000 33400 39100 44100 31600 37400 22 49100 34900 41500 47200 32600 38800 47800 33700 40000 44000 31500 37300 23 47700 34900 40500 46200 33600 39200 47000 32500 40700 44700 33400 38800 24 46700 32200 37900 45300 32900 38300 47200 33700 42900 45100 33800 38700 25 44800 33600 38500 --- --- --- 48300 40000 44500 43100 34500 38400 26 45200 33500 38900 --- --- --- 47500 36500 43400 43600 35200 39600 27 44900 32100 39000 44700 30000 36500 47600 39100 43700 42700 34200 38600 28 45400 34200 39700 47400 30400 39300 47700 38800 44100 44200 35000 38800 29 45900 33400 40500 45500 33700 39900 47400 39300 43300 45000 35700 39800 30 --- --- --- 45100 33700 39600 47000 37500 41800 48100 35600 41000 31 --- --- --- 46300 36300 40400 --- --- --- 48500 36500 41900 MONTH 51500 31500 40000 --- --- --- 49700 32100 40900 51800 28200 40000 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 48500 33000 40900 49200 36500 42300 50400 34000 41700 49300 35800 42200 2 48600 35100 41100 49200 36600 42700 49500 34400 41300 48700 35800 41300 3 51200 36100 42300 50300 37100 43500 48300 33600 40000 46100 32700 38600 4 51000 37600 43700 50300 36600 43600 47500 33100 39600 44500 31700 38200 5 51000 36800 43300 50200 36600 42500 47500 34600 39300 44100 32100 37700 6 50300 36200 42400 47800 36400 41800 45700 34700 39500 41100 31900 36600 7 50000 34900 41100 47400 36400 41700 46300 34600 40600 43600 31900 37100 8 47400 33100 40200 46800 35800 41100 46500 36000 40900 44400 31400 37300 9 46400 34200 39600 45900 35000 40100 45800 34400 39900 43800 32100 37400 10 47500 31700 39100 46800 35200 40400 45700 34700 39700 43400 29400 36800 11 47700 32700 39400 48800 35300 42000 48000 34400 39900 43400 29400 35700 12 48400 33000 39200 48300 36100 42100 46000 33200 39800 43400 29500 35800 13 46800 33700 39000 46300 34600 39500 46500 31800 37200 43600 28800 35200 14 47400 33100 39200 46500 35600 39800 47000 31600 39100 46500 28600 36300 15 47100 33600 39100 46500 35200 39700 45700 32900 39700 44900 28800 36100 16 46000 34200 39700 45400 33800 39500 44900 31700 39100 44400 28700 35400 17 45200 34300 39300 --- --- --- --- --- --- 45200 28600 34700 18 47600 33000 39900 --- --- --- --- --- --- 46700 30400 37600 19 47100 36200 39800 --- --- --- --- --- --- 47900 32800 39700 20 44500 34400 38000 --- --- --- --- --- --- 47400 31700 39000 21 42400 33500 37700 --- --- --- --- --- --- 45700 31500 38200 22 42600 33500 37600 --- --- --- 47000 34900 40700 45300 30300 38000 23 44200 32000 38700 --- --- --- 46300 34400 39900 47000 34500 39400 24 44700 33600 38900 --- --- --- 47700 34600 40200 49000 34800 41100 25 44400 32900 38600 --- --- --- 48100 32900 40200 49100 34300 40500 26 49000 35500 41000 46500 33100 38900 49700 33400 41100 49600 30400 40300 27 49400 34800 42400 48100 34100 40200 49200 35400 42000 41200 28500 35900 28 51200 34800 42900 49900 34100 41200 48800 34100 41800 41900 28200 35000 29 51300 34800 43600 49600 35400 41900 50800 33600 42300 40300 27400 34500 30 51700 34700 43900 50700 33700 41800 50500 35300 43300 45300 28300 35000 31 --- --- --- 50900 32700 40800 49900 35900 42400 --- --- --- MONTH 51700 31700 40400 --- --- --- --- --- --- 49600 27400 37600 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 43500 29800 37300 --- --- --- --- --- --- 45900 35400 40100 2 44400 29800 35800 --- --- --- --- --- --- 45400 34600 40400 3 45000 33400 39800 --- --- --- --- --- --- 43800 33300 38400 4 46300 34800 40100 --- --- --- --- --- --- 41600 34000 37500 5 43600 35300 39300 --- --- --- --- --- --- 44700 34000 38000 6 43600 35500 39100 37100 31500 34200 --- --- --- 43400 35300 38500 7 43300 35500 39700 37800 31800 34600 --- --- --- 45800 35700 39900 8 42800 32800 37700 38400 32700 35300 --- --- --- 46300 36200 41000 9 39500 30700 35300 38100 31900 35000 --- --- --- 47500 37100 41800 10 43000 29200 35100 39500 32700 35900 --- --- --- 45200 33400 39200 11 43900 29000 36300 40500 32900 36400 50300 38200 43800 45700 32100 37700 12 45200 29100 37300 40900 33200 36700 50400 37500 43400 45500 33300 37800 13 46200 29200 38000 41700 33700 37000 50200 36600 43000 44800 33500 38200 14 45200 31400 37500 42000 34200 37700 50100 36700 42600 43500 33900 37600 15 44400 29200 36000 42900 35100 38600 49700 36800 42700 43000 34100 38000 16 45700 30100 36300 44100 35900 39800 50000 37700 43300 43600 33000 37900 17 43700 29800 35700 43300 37600 40200 49100 36900 43000 40800 33200 36800 18 41300 30400 35200 40300 37600 38800 47000 36100 41100 41200 32500 36400 19 42700 29700 34700 42700 38000 39600 46400 32600 39900 41600 32500 37500 20 41900 30900 35800 43500 38100 40400 43400 33200 37600 40500 35000 37100 21 41900 31200 36300 45100 38700 41000 47300 30100 39000 44000 34800 38100 22 44500 32100 37700 47600 38000 41900 47400 30100 39100 46800 35800 40000 23 44100 32100 37800 49200 36700 41700 44800 32100 38300 45300 34800 39500 24 44600 30900 37300 47400 35900 39700 46500 31600 39500 47000 34800 40000 25 44900 30200 35800 42000 36000 38500 46500 34400 40000 45900 36300 40800 26 46300 30300 38000 38800 34600 36000 48000 36200 41000 46500 36600 40300 27 43900 30600 36900 40700 34900 38100 46400 36100 40300 48200 37300 41400 28 39600 32000 35500 --- --- --- 45300 34300 39500 46100 36500 40800 29 37100 31100 34200 --- --- --- 44800 34700 39600 46100 37100 41000 30 37000 32200 34400 --- --- --- 43400 35300 39700 48600 37100 41700 31 36100 28800 32700 --- --- --- 43300 35600 39400 44800 36600 40300 MONTH 46300 28800 36700 --- --- --- --- --- --- 48600 32100 39200 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 43200 34500 38700 43300 31600 37000 42200 33100 37200 44600 30800 37200 2 43800 36100 39300 44200 32300 37800 46800 36100 41400 44000 29300 36100 3 46300 37000 40900 43600 34800 38700 46900 36000 40800 44800 30500 37300 4 47700 37000 41900 44600 34200 38600 48300 36600 41600 46400 28800 35400 5 48700 36900 41800 48500 36400 41800 47700 33500 40300 48000 29400 37500 6 46500 35500 41000 48500 36100 41600 48400 34100 40300 46600 29800 37600 7 46400 35800 40800 50400 35700 42700 49800 34800 41500 46100 26500 35800 8 46800 35100 40300 49600 35300 42200 47100 31900 39600 44900 29500 36100 9 46800 33000 39400 49100 34500 41200 47500 32000 39500 44000 29600 34900 10 46400 33800 39300 50600 37400 43800 46500 33600 40000 41700 29000 34100 11 46200 34300 39100 49600 36900 42600 46500 32300 39000 41500 31000 35200 12 44800 34000 38200 51000 38300 42800 45900 32100 37300 42100 32700 36400 13 44400 32200 38400 51000 37600 42600 42500 30900 35900 42700 32300 36700 14 46100 32200 38200 49600 35800 40700 44800 30800 37300 40200 31700 35700 15 42800 30200 36300 44100 31600 37600 46900 33900 40500 40100 31600 35400 16 42500 30700 36900 44900 33000 38900 45900 34600 39800 45000 31900 37900 17 42000 32400 36500 45400 32300 40100 42800 33900 38100 43300 32800 38100 18 42300 32200 36400 46100 34300 39900 44300 34600 39200 43600 32900 37800 19 42000 32700 36100 43200 34800 38600 44400 36300 39600 45700 34600 38700 20 42100 32900 36200 43600 32900 37600 47700 35800 41000 46100 34500 39800 21 41600 32200 35900 39500 31500 35300 48100 36900 42300 51200 35100 41100 22 39400 30600 34100 39000 31700 34800 48400 37900 42000 50500 36800 43000 23 42700 28400 34600 41000 29700 34700 48900 37400 41700 51200 37200 43300 24 45100 31500 37000 43800 31300 36600 49400 37900 42300 50600 36300 42900 25 45700 34100 38600 41500 31500 36300 48500 36100 42000 50000 35800 41500 26 45700 35500 39300 41100 29600 33400 48100 36300 41500 45900 32200 37000 27 43900 33700 37500 46800 33100 38200 46500 38700 41700 40900 32000 35800 28 42500 31800 36500 46400 33900 38900 45300 36400 40300 41900 34800 37800 29 --- --- --- 45200 32600 37400 41500 32500 37200 43700 34200 38800 30 --- --- --- 43100 32200 37000 46700 32500 38500 44200 35300 39500 31 --- --- --- 45100 33100 38000 --- --- --- 45700 34500 39400 MONTH 48700 28400 38200 51000 29600 38900 49800 30800 40000 51200 26500 37900 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 43900 34200 39000 46900 31800 38200 47100 33300 38900 46500 33000 38400 2 48000 33500 39900 48900 31400 38500 46900 33200 39700 46200 33300 39100 3 48900 35000 41200 47000 31300 38100 45100 32700 38000 45400 34300 39000 4 48200 35900 41600 45200 29800 36100 43900 32900 37700 44800 33400 38900 5 52600 36400 43100 43900 27800 33700 45700 30800 37300 45200 36300 39800 6 50100 34900 43300 43600 27300 34100 45900 33200 37900 44700 34900 39400 7 49200 33800 40400 43400 29400 34800 45600 33900 38600 43300 33100 38300 8 46500 31700 38400 43700 30800 36000 45500 32800 38300 44500 35700 39100 9 45900 32600 37800 44900 31900 36600 46100 34800 39100 45100 35100 39300 10 46000 32500 37700 43700 32500 37400 43900 34000 39100 46000 35000 39400 11 45200 32000 37300 44200 31700 38100 43800 34000 38400 46100 36200 40200 12 43400 31900 37500 45100 33500 39700 42600 34000 38200 45600 35500 40100 13 43200 32500 37500 45700 34300 39900 42400 34100 37700 48600 33700 40700 14 43200 31500 37400 46000 35400 40100 44700 33600 37200 46500 34100 39800 15 46600 31500 39700 45100 34100 38700 45900 33200 38100 47900 34300 40700 16 47200 37300 42100 45500 33100 38000 47500 32300 38800 47100 35400 40900 17 46600 36600 41300 47100 31900 38500 48000 32600 39100 48600 35400 41900 18 45900 36800 40400 48000 32300 39500 50400 32700 40300 49500 35900 42400 19 48800 34000 40100 48400 34000 40400 49700 32700 41000 49500 35200 41500 20 48300 33100 40200 50700 33700 40900 49900 35000 41800 48500 34000 40300 21 47900 33000 40100 51000 34800 42100 47500 32200 39000 45300 34800 39600 22 45000 32600 38300 50800 34700 41800 44700 31500 37500 47600 32500 40600 23 44900 30400 37000 50800 34200 41200 44900 30700 37800 44500 35000 39900 24 44800 29200 35400 50200 33700 40400 44800 33700 37900 43000 34200 38200 25 40800 26400 30500 47700 32200 39300 44700 34200 38400 43700 34600 38300 26 42000 26000 32500 47300 33400 40000 43200 31600 37900 42600 32900 37800 27 46000 28800 36300 47000 34300 40100 42900 34500 38200 43200 33000 37200 28 46700 31300 39300 45100 32700 38200 43400 34500 38600 41100 31700 35700 29 46800 28500 38100 44800 30000 36500 44400 33800 38600 40600 30100 34300 30 47200 30500 38400 47900 30600 37700 44400 34000 38700 38500 30600 34300 31 --- --- --- 46500 34300 39600 44100 34800 38700 --- --- --- MONTH 52600 26000 38700 51000 27300 38500 50400 30700 38600 49500 30100 39200 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 39900 30200 34400 43500 32700 37400 --- --- --- 45800 28900 35800 2 41700 31100 35500 42200 31000 35800 47400 35700 40200 44200 28900 35500 3 42200 32400 36400 42800 29700 35400 46200 34700 39500 43300 28700 34400 4 41400 31800 36100 42900 29200 34900 45400 34200 38700 43800 29600 35200 5 40300 31000 35300 40900 30400 35300 41200 32400 35900 43400 28700 36200 6 40200 31800 35500 45500 28100 37100 --- --- --- 44700 31200 36700 7 39900 30200 34900 44300 33400 38200 --- --- --- 44600 29400 36300 8 40600 31700 35500 44100 29900 38100 --- --- --- 45000 28600 35000 9 40000 29800 35000 45400 35500 40100 45700 34300 39100 42400 27100 32900 10 39700 30600 34800 45900 35900 40200 48000 34800 40200 44700 25500 34100 11 40400 31100 35300 46800 34600 40200 48600 34800 41200 46900 28000 36300 12 43100 31300 36500 47000 34200 40300 50500 35000 42000 46600 29200 37500 13 42400 31900 37000 49400 33900 40600 50200 34700 41800 47000 29700 37200 14 42300 31300 36300 48900 33200 40100 50300 35400 42500 46200 30000 36400 15 42000 31200 36300 47300 31700 38700 49700 36300 42800 45100 31500 37000 16 45100 31000 37800 47100 31300 38700 49000 35000 40800 42600 31100 35300 17 46400 32300 39100 49700 32500 39500 44200 34000 38200 39500 28600 33200 18 46000 32900 37300 45100 31400 37100 43100 33500 37400 42100 27900 34700 19 37500 33000 34900 --- --- --- 41500 32200 36100 42300 30300 35500 20 48300 34200 38400 --- --- --- 39800 30400 34900 43300 30000 36600 21 46300 34800 38400 --- --- --- 40400 30700 35400 41200 29800 35900 22 40500 33800 36100 --- --- --- 48300 32600 37600 40900 30200 35400 23 37200 34100 35700 --- --- --- 47700 35100 41000 41000 27600 33400 24 36000 32300 34300 --- --- --- 47600 33900 40600 38200 25200 31200 25 35500 32600 34200 --- --- --- 47400 34800 39700 38500 25200 31300 26 37200 33800 35300 --- --- --- 46200 34200 39300 42000 27300 33500 27 37000 32900 34900 --- --- --- 48700 34000 39500 46400 28800 36000 28 36800 31700 33900 --- --- --- 46900 31600 39600 37100 23700 30800 29 37700 32700 34900 --- --- --- 52100 33400 41100 43200 22900 32200 30 39000 32700 35300 --- --- --- 42800 30900 36000 44000 24900 33500 31 42600 33200 36600 --- --- --- 43200 28700 35100 45500 25200 33900 MONTH 48300 29800 35900 --- --- --- --- --- --- 47000 22900 34800 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 43300 24900 32600 44100 27100 34800 41200 25900 32200 38000 31400 33800 2 42200 25400 32200 42700 26200 33800 41200 23100 31100 33000 29800 31400 3 42900 27800 33200 39300 24700 30200 38500 26000 30700 34700 29800 31600 4 40700 24800 31700 41000 22200 30900 40600 24500 31000 38700 30600 33000 5 33400 21100 27100 39600 23000 29700 39100 24200 32000 37400 28300 32300 6 38500 22600 30000 37900 23800 29800 39700 28500 32500 40400 29500 34000 7 42600 23500 32500 39800 26000 32100 38000 28000 31800 40800 26800 33600 8 43800 25500 33900 38900 26100 31100 38400 28100 32000 41700 28100 33100 9 42300 26800 33300 37800 26400 30900 37000 25200 29900 42400 29300 33700 10 39500 26100 32400 37700 24300 28500 38000 25300 31100 43100 27600 34400 11 38100 25400 31500 39000 21300 30200 42500 26600 33700 45400 29900 36800 12 34300 24400 28900 40500 24300 30500 41500 28400 33900 44400 30900 35600 13 42900 24300 30300 38800 24600 30900 41600 28800 33900 44700 31100 36400 14 40700 25500 30800 37000 25900 30700 39000 28700 33300 45000 32500 37300 15 42400 25500 32500 40300 24600 31000 38300 27400 31800 43900 32400 37200 16 37900 25600 31000 42500 26000 31700 38300 27400 31500 43900 28300 35700 17 35400 21900 26900 39700 27800 32200 38800 26200 30700 41500 26900 33700 18 28500 17400 22100 39700 27700 32100 39500 26300 31400 40000 24500 32600 19 33700 17800 25300 36700 24900 29300 41100 26300 34000 41400 29100 35000 20 40600 19500 30700 35000 22600 27800 42000 29200 34600 40800 29200 34000 21 43400 22800 35000 34600 21500 27200 45300 30900 37400 42200 28900 34500 22 44900 26600 35500 40100 23500 31300 46200 34300 40000 45900 28800 36200 23 47000 28100 36500 40900 29400 33800 47400 34700 40700 45700 29800 37300 24 41000 30100 34700 40600 29400 34700 47500 33800 40800 47000 29500 37600 25 44600 29500 36400 43300 29000 35500 45700 31400 38300 43400 28300 36500 26 46900 29800 38200 44400 29100 36000 50000 31000 39400 42000 25300 32900 27 47100 25800 37500 44500 28600 35800 50700 32400 40400 40600 23400 31000 28 45400 28300 36600 43800 26800 34900 50900 33600 41700 41800 22400 30800 29 --- --- --- 42600 25900 33600 50400 32900 41100 42400 24400 31300 30 --- --- --- 43800 25000 33100 48900 32800 37700 42400 23100 31700 31 --- --- --- 43800 25800 32800 --- --- --- 41100 22900 31800 MONTH 47100 17400 32100 44500 21300 31800 50900 23100 34700 47000 22400 34100 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 40700 24800 31300 44400 31300 37100 45200 32200 39000 46300 33500 39900 2 42400 29300 34600 45500 33500 39100 46400 34600 40900 45600 34000 39800 3 43800 31000 36600 46300 33100 39900 45300 37100 40500 47200 33700 39800 4 43400 32300 37300 44800 34500 39900 45200 36600 41000 46300 30600 38000 5 44300 33300 37800 44700 35800 39500 47900 37600 42400 48700 33300 40500 6 44400 33400 38400 47300 32900 40300 49700 38900 43300 47700 29600 38400 7 45800 34300 39100 46900 35200 40700 49400 38800 43500 46900 29500 38000 8 46600 35200 40000 46700 36400 41300 49100 39000 43400 41300 30200 34800 9 46100 34900 40100 46400 33900 39400 49400 37500 42900 47800 31200 38100 10 45400 33600 39500 47300 32600 39300 48500 37600 42300 46100 33600 38700 11 46300 34000 39700 47300 33900 39700 48800 36600 42100 47700 33700 40000 12 45900 33400 39000 48300 34200 40100 48800 36600 42000 46300 34300 39800 13 45100 31400 37200 48100 36700 40600 47300 35900 41000 46100 33800 39400 14 45700 32200 37700 48100 34800 39800 46600 36000 40600 45600 33500 38700 15 46100 31700 37100 47900 35900 40600 47100 33900 40800 44900 32500 38400 16 42400 30600 35800 45500 34100 39100 46000 35500 39900 44300 30600 37700 17 43200 30300 35800 44800 32300 37700 46000 34900 39900 45000 32900 38900 18 44800 30200 37200 45600 30000 37500 46100 32300 39000 45500 32100 38700 19 46200 32000 38200 45800 31900 37900 47100 34700 39500 45900 31700 39400 20 48900 31600 38800 45800 31800 37700 49100 34000 40700 46900 34300 39900 21 48700 33200 40300 45900 32500 37700 49200 35200 41000 44400 33500 39000 22 49500 33200 40300 46900 31500 37800 46900 33200 40300 40800 28700 35100 23 50700 32200 40200 46900 31400 38000 46000 34100 39600 44000 28800 35200 24 49100 32500 39900 46400 27100 36800 46000 33300 39300 44500 31100 36400 25 49900 32500 39800 44500 31500 37300 46000 35100 39300 42600 29800 35100 26 47700 33600 39600 43500 30900 36700 45300 34300 39200 40400 31400 35100 27 47600 33300 38600 44100 32300 36700 42900 32700 36900 40800 30000 35300 28 44700 32500 37700 42400 32300 35800 41700 31800 36700 42300 31700 35900 29 44700 31800 37600 43100 31600 36100 43600 32700 37700 42900 28900 35700 30 46100 32700 37600 42900 31200 36000 44500 31200 37200 41900 29200 36800 31 --- --- --- 42900 30000 36600 44800 32500 38600 --- --- --- MONTH 50700 24800 38100 48300 27100 38500 49700 31200 40300 48700 28700 37900 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 43400 28000 36300 46900 35000 40300 49000 36400 41800 47900 33300 40300 2 45700 29900 37300 48000 35900 41900 50300 35900 43000 48900 33500 41900 3 46400 34300 39400 48500 36100 42200 50700 37300 43400 47900 33700 40400 4 46300 29700 39300 49400 34400 41500 50600 36600 42600 45800 31300 37800 5 47200 29500 39500 49700 33400 42600 50200 34900 42300 45300 30700 37700 6 48300 33900 40600 50400 35900 42800 50200 35700 42000 46200 32000 38700 7 48000 31800 40300 49100 33100 40400 49000 35900 41500 43900 32200 37700 8 46600 27400 37200 47200 31600 39600 47000 35400 40300 44300 34100 38300 9 41200 24500 33600 45100 33200 38600 45200 34400 39200 44300 33800 38900 10 44400 26600 34900 44300 35200 38500 47400 35000 40600 46600 35300 39900 11 44000 29300 35500 43000 32600 37600 46200 35200 40700 47800 37100 41100 12 42300 30700 35700 43100 32900 37500 46000 35200 40500 45900 35400 40200 13 42700 32700 36600 44100 33200 38600 46800 35200 40300 46000 35400 40600 14 42300 29700 36100 44200 32900 38100 45100 36000 40500 46500 36300 40700 15 41900 32200 37200 42600 34000 37900 48000 37100 41800 46800 36900 41000 16 42500 30100 36800 45600 33600 39400 44500 36700 40300 48200 37100 42200 17 43000 29700 36800 46400 36400 41100 44700 35900 39800 48900 38000 43000 18 42500 32300 37100 47500 35000 41500 46400 34800 40300 49400 38100 42900 19 41300 31500 36500 49200 36500 42300 47100 35000 41100 48200 36700 42100 20 41500 28800 35600 47600 36700 41500 46600 36900 41300 48600 36200 41800 21 42200 30200 35700 45200 35200 40000 46500 36900 41300 48300 36400 41800 22 43200 32700 36500 47000 35500 40400 46300 37200 41000 47700 36600 41500 23 46000 33100 39000 48000 37000 40900 48300 36800 41500 47400 36100 41000 24 45700 28800 37800 46100 35500 40400 47300 37000 41500 46600 32100 39200 25 44200 35700 39300 47100 37100 41300 46700 36600 40900 43800 31700 37500 26 42600 34300 38300 45800 36700 41100 --- --- --- 44200 32300 38000 27 43900 36200 39900 45900 35700 40600 --- --- --- 46700 32300 37900 28 44900 30100 37000 45300 35700 40600 45700 34100 39800 46900 31600 37600 29 43400 29100 36200 46200 34800 40600 46200 34100 40200 48000 30400 38400 30 45000 33600 39700 47500 34800 41200 47100 34000 39600 51000 30000 41000 31 46200 34200 39600 --- --- --- 47700 33900 40200 50600 33400 42100 MONTH 48300 24500 37500 50400 31600 40400 --- --- --- 51000 30000 40100 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 47400 34500 41100 38900 27700 32500 44700 28600 35700 49300 37600 44000 2 45500 32400 38500 43800 31700 36700 45400 28900 36200 47400 36500 42200 3 44300 28900 35800 43200 31700 35600 44300 31200 37500 45900 32900 39200 4 41600 29800 34200 38400 27700 31900 41900 29700 34900 44800 32400 37600 5 44000 29400 35100 38400 26700 32500 44500 25600 33900 44700 31200 37000 6 43700 31700 36400 37100 28100 31600 44800 30100 37700 44900 30500 36200 7 42200 31800 36600 36000 25900 30500 45700 28500 36300 43300 28300 35400 8 42900 32700 37900 35700 25900 30700 41500 29200 36600 42100 28100 35300 9 45500 34100 40200 38000 26800 32300 44600 33200 38100 43900 30400 37000 10 46300 33400 39800 41200 29000 35600 44500 32600 38800 46100 31800 38700 11 46700 32800 40000 41900 27700 35600 48200 33900 40500 46200 34300 39300 12 43900 35100 38800 40600 28600 34400 46200 34600 39000 48400 34300 40800 13 43800 34600 38500 41200 32900 36500 49700 35200 42500 49700 33900 41500 14 47000 32800 39600 40600 31300 36700 49700 36500 42300 51400 34300 42200 15 46000 35000 39900 39300 30800 35800 49900 35100 42900 52000 35300 43700 16 46900 34400 40000 41900 29400 34100 49900 33100 40100 52100 36300 44100 17 46800 33800 39800 44800 28900 36800 50400 33600 40600 52500 36200 43900 18 45300 33000 37600 44700 29200 36400 50100 33000 40200 52300 35600 43400 19 41800 30900 34600 45800 32600 38300 49800 33900 40100 51500 34000 41800 20 41800 33000 36600 46600 29000 37300 49200 31200 39400 49400 34600 40900 21 41000 30400 34800 46600 27300 35600 47100 31100 38400 48000 34500 40100 22 37800 30100 33800 43700 28000 34700 48700 31700 38800 46000 34300 39200 23 36600 30800 33300 43700 29300 34300 47400 31400 38400 44700 34100 38400 24 37700 30700 33700 42400 25600 33600 45800 34300 39700 45400 33100 37800 25 37700 30300 33700 40400 28300 33800 50800 32300 42700 46600 33300 39000 26 38500 29700 33700 39100 27000 34600 48700 37200 41600 46100 33600 39400 27 36700 29900 32100 42100 27000 34500 49200 37600 43100 48300 33300 40100 28 39600 29900 33500 43600 29300 35600 50500 38100 43500 47400 33100 40200 29 --- --- --- 43200 28100 35600 51300 38700 44300 48100 32900 40200 30 --- --- --- 43300 26100 34900 51200 37700 44600 48100 34100 39900 31 --- --- --- 45200 26600 36200 --- --- --- 48900 31200 39500 MONTH 47400 28900 36800 46600 25600 34700 51300 25600 39600 52500 28100 39900 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 47900 35300 40400 47900 33500 40600 49100 36400 40500 --- --- --- 2 47400 36000 40200 47800 35900 40500 46300 38700 41800 --- --- --- 3 45800 33700 38500 47400 35100 40000 49800 38500 43000 --- --- --- 4 46400 34000 38500 47800 34400 39600 --- --- --- --- --- --- 5 46600 33500 39500 45200 33700 39300 --- --- --- 46600 35600 41000 6 46900 33300 39200 45800 33700 39300 45700 33500 39400 49000 35500 39400 7 45800 34700 39500 46200 32200 39100 46700 34400 40000 48200 34300 40100 8 45200 34300 39200 45200 35200 39800 48600 34300 39100 48300 33800 40300 9 44600 33100 38400 47600 30200 38800 43300 33400 38500 48600 32900 40400 10 46000 32100 38500 46500 33200 39000 --- --- --- 47300 33400 39500 11 52000 30300 38900 48700 32800 39300 --- --- --- --- --- --- 12 53000 36400 44300 49500 34800 41800 --- --- --- --- --- --- 13 53700 31600 42900 48900 34400 41400 --- --- --- 46600 30900 38700 14 52900 36400 43300 47700 32700 39100 --- --- --- --- --- --- 15 51000 35500 42300 47700 32700 39600 --- --- --- --- --- --- 16 52200 31100 41000 --- --- --- --- --- --- --- --- --- 17 52000 31100 41800 --- --- --- --- --- --- 44300 31600 37100 18 52000 34700 42800 --- --- --- 44900 34600 40700 43200 31900 37400 19 52300 33200 43100 42200 30600 35700 45800 34000 38700 43800 34000 38100 20 50100 34300 42100 --- --- --- 44800 32000 37500 44100 34600 38400 21 48500 32700 41600 --- --- --- 44300 31700 37900 45700 34800 39300 22 48200 32000 41200 46900 33100 38300 47200 32400 39200 44700 36700 40500 23 49400 32000 41700 --- --- --- 47100 35000 40000 44500 36400 40600 24 48500 37300 41800 --- --- --- 46600 35900 40700 47700 38100 42200 25 47300 36200 42200 46000 34300 39900 46600 36500 40500 48400 39100 43900 26 46600 36000 41200 --- --- --- 46900 35600 40400 48000 37900 42700 27 47500 33200 40900 --- --- --- 45100 32000 38100 47900 37400 42500 28 48600 34800 40600 46900 34800 40400 48500 32100 40000 47800 36800 42100 29 48800 35000 41000 --- --- --- 48500 35300 41800 --- --- --- 30 48300 35900 41100 --- --- --- 48500 35600 41000 --- --- --- 31 --- --- --- --- --- --- 48900 36500 42200 --- --- --- MONTH 53700 30300 40900 --- --- --- --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 46300 31300 38600 37300 28900 33900 45000 35700 39900 44800 33500 37600 2 44700 29400 37600 42900 30100 36300 45400 35700 40600 43500 32500 37900 3 43700 31500 36800 39600 29100 34000 45500 35800 40200 44800 33900 39000 4 42300 31200 36000 40700 29100 34500 45000 35300 39700 44500 35000 38700 5 43700 31000 36600 40900 29700 34500 46100 35100 40500 44500 34100 38600 6 44100 31700 37600 40900 29300 35800 43200 33400 38500 48200 34600 39800 7 43500 31900 37600 41600 29300 35200 --- --- --- 44800 33500 38500 8 --- --- --- 42800 30600 36600 --- --- --- 44800 34000 38500 9 --- --- --- 43100 31600 38200 46100 33600 38700 45000 34300 38900 10 42400 32400 37000 42200 32000 36100 45700 32900 38000 43300 33700 37700 11 42900 31700 36300 41100 31900 36700 45400 32900 37700 41900 32500 36400 12 42600 31900 36400 44500 31800 37100 46300 34300 38900 42500 32000 37000 13 --- --- --- 44800 33700 39000 45000 33700 38200 41200 30600 34700 14 --- --- --- 43100 35800 39000 42900 33600 37800 40500 30800 34300 15 41200 30100 34500 45100 34600 39700 43900 33000 37700 40900 31800 35900 16 --- --- --- 43600 35900 40400 42700 32600 37400 41200 31000 35700 17 --- --- --- 43800 36000 39200 43700 33400 38000 42100 32800 37100 18 --- --- --- 42800 35600 40100 44900 33900 39300 45700 33500 39100 19 --- --- --- 43300 35100 39900 48900 33900 41500 46700 34400 40100 20 --- --- --- 44200 34800 40000 48900 34200 40900 47600 35100 41000 21 40600 28300 33300 46700 35400 42500 48800 32900 40700 48800 33900 41800 22 41400 29200 35000 48200 35700 42600 49300 32800 40700 49700 35100 42300 23 40900 28600 33900 48800 35700 42500 49500 32400 41000 50100 35900 42000 24 43200 27900 34900 48000 36400 42700 48800 32300 40100 50100 35100 41900 25 43200 27700 34800 47900 38200 42800 50000 30000 39900 47200 32900 39200 26 43200 27300 34600 47900 35000 41100 48200 32300 38700 40200 30400 35100 27 43300 27300 35300 47100 33300 39400 46800 30400 37800 41100 27700 34700 28 45900 27400 36000 46800 33600 39000 44300 31000 37300 41700 26800 33700 29 45500 28800 35400 45500 34100 39000 42200 29700 36600 40500 25800 34000 30 44300 28800 35200 44700 33700 38900 42700 31700 36700 42400 25800 34700 31 41500 29300 34700 --- --- --- 42000 32200 36400 40400 28900 34200 MONTH --- --- --- 48800 28900 38600 --- --- --- 50100 25800 37700 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 37900 28900 32600 42700 32300 37100 46400 35800 40100 45500 36000 40200 2 37500 29100 32500 40600 33100 36800 45900 35500 40600 46300 35700 40400 3 --- --- --- 44900 33900 39200 46700 36100 40700 50300 35500 41600 4 --- --- --- 44400 34300 38600 46300 35400 40400 50800 36300 42700 5 --- --- --- 45500 33500 38900 48000 34600 40500 50400 33200 40400 6 --- --- --- 44900 32200 38400 47900 35200 40500 50200 33100 39900 7 --- --- --- 45000 33000 38800 48500 34100 40100 49200 33300 39400 8 --- --- --- 45000 32800 38200 48000 32700 39500 46300 35000 39900 9 --- --- --- 45100 32300 37700 46500 31900 38000 48300 33000 39100 10 --- --- --- 45800 32000 37600 46800 32100 38700 45200 32500 38200 11 --- --- --- 45200 31700 38200 45800 32500 38100 46200 30900 38100 12 --- --- --- 45900 31500 37700 45200 33300 38400 45100 31600 38500 13 --- --- --- 45600 34600 38800 46400 32800 39400 45500 32300 38000 14 --- --- --- 46900 34500 39800 48300 35000 41800 48700 32900 39800 15 --- --- --- 47100 34800 40100 48200 36400 41800 48500 33500 41000 16 46700 32500 38500 47700 34800 40800 47600 35500 41100 49700 35200 41600 17 48000 31700 39700 47200 33300 39500 49000 35800 41700 48700 33900 40300 18 50200 32500 40900 49800 31700 41600 48400 34600 41100 47900 33700 40200 19 48400 32700 39500 50900 34100 42700 48900 35800 41900 47000 30000 38600 20 48700 30100 39000 50100 37000 43800 48700 36500 42100 46800 29000 38000 21 48100 30500 39000 47600 34800 41200 48700 37000 41400 46900 31300 38200 22 46900 31400 38800 46700 32200 39200 45500 34000 39800 46500 31900 38100 23 45800 32000 38100 46300 33000 38900 45500 35200 39900 46200 34200 39300 24 43800 31400 37000 46500 32700 38000 44700 36600 40100 45900 36000 40100 25 42400 31600 36100 43900 31100 36400 43800 34100 38700 45800 36700 40500 26 41400 30600 35700 41800 30200 35600 43600 35100 39300 45600 34900 41200 27 41600 32500 36500 44600 30800 38500 44900 35100 40000 45700 34700 40600 28 42300 30300 37200 45000 31200 39200 44000 35300 39300 45400 34400 40400 29 43000 32300 37200 45100 31100 39500 43800 35300 39400 49200 36400 42100 30 --- --- --- 45400 33700 39800 44200 35500 39900 51500 36000 43500 31 --- --- --- 44800 34200 39700 --- --- --- 52300 37000 44700 MONTH --- --- --- 50900 30200 39000 49000 31900 40100 52300 29000 40100 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 52100 38200 44700 51100 34600 42600 51400 33400 41300 50700 34500 42600 2 51200 37000 44000 51500 35900 42900 50800 29700 40000 49200 34500 41400 3 52100 34500 43500 51700 36700 43800 50800 28000 38900 46900 31600 38500 4 51900 36700 44100 51700 37700 43900 48300 28600 39600 44200 29400 37600 5 51800 34800 43500 51000 36300 42200 --- --- --- 45300 28500 35700 6 51100 32100 41000 49500 32500 41400 --- --- --- 48600 31100 38500 7 50500 33600 42200 49000 32300 41500 --- --- --- 47800 33900 40000 8 50200 36600 42800 48300 35700 41400 --- --- --- 45000 31300 38400 9 48200 36100 41700 46900 32500 40600 --- --- --- 44900 30700 37600 10 46200 32300 40100 45100 34400 39900 --- --- --- 44900 32600 37400 11 46700 32200 40200 44700 32400 38400 --- --- --- 47100 33600 38400 12 44500 29600 37600 48400 33100 39400 --- --- --- 44500 32400 38600 13 46200 29900 37400 46200 34200 40600 --- --- --- 45100 28400 36700 14 47500 32800 38800 47300 34200 41300 --- --- --- 43700 29500 34900 15 47800 33400 40000 46800 35300 40700 --- --- --- 40600 28600 34300 16 47900 32600 39600 46700 35600 40800 --- --- --- 50100 25100 39700 17 46500 32900 38900 49200 34600 41100 --- --- --- 48600 34300 40800 18 46400 31800 38000 47500 34000 40800 45300 34200 39400 48700 35700 41100 19 45200 31900 37600 47000 33800 40100 47300 33100 39200 44700 23400 35200 20 45400 32500 38200 47000 35100 39900 48200 33000 40100 44500 24400 33500 21 46300 34000 38900 47400 35100 41800 48200 32800 40700 43200 26900 34000 22 45400 33200 38500 47500 34500 42200 48400 31200 41600 45100 30600 36000 23 45300 32900 39900 47200 36300 41900 46600 35200 40400 42200 29700 35700 24 46000 33400 40700 46000 36100 41200 48800 29300 39000 41700 28600 35600 25 45900 35400 40700 47200 36200 40800 49600 33700 40000 45400 27100 34300 26 45600 35000 40000 47600 34400 40600 51100 32600 42000 46500 28100 37600 27 47500 31300 39400 48800 35300 41000 50600 33200 42400 44100 32300 38300 28 48800 33600 40000 50600 32100 41300 50600 30900 41900 45100 28600 37400 29 50300 33300 40700 50800 33000 40600 51000 35700 42500 45500 30700 37500 30 51300 33100 41000 50800 30800 41100 51300 36600 43600 --- --- --- 31 --- --- --- 50100 33200 40900 50700 34000 43300 --- --- --- MONTH 52100 29600 40500 51700 30800 41200 --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 --- --- --- 48100 37400 42100 46200 32600 38700 --- --- --- 2 --- --- --- 47400 36200 41400 46300 34700 40300 --- --- --- 3 --- --- --- 46600 36900 41300 45900 34700 40100 --- --- --- 4 36800 28700 32100 47400 37400 41600 46300 36800 41700 --- --- --- 5 40700 30300 35700 47800 37800 42000 45500 36200 40800 --- --- --- 6 43200 34300 38300 46900 38900 42500 45100 35300 39900 --- --- --- 7 42700 32700 38500 46200 38700 41600 46000 37000 40500 --- --- --- 8 44400 34600 39800 47300 37700 42400 48200 39000 42900 --- --- --- 9 46300 36100 40600 49100 37700 43800 49500 38400 43500 --- --- --- 10 45500 36100 41200 49000 38400 43000 51700 38900 44600 --- --- --- 11 46200 36800 40600 51500 37000 44100 51400 37900 44200 --- --- --- 12 46900 35800 41500 51900 38300 44800 51100 37800 43900 --- --- --- 13 46200 36600 40800 52600 38400 44700 --- --- --- --- --- --- 14 46900 34200 40200 51800 37900 43900 --- --- --- --- --- --- 15 45200 34200 39000 50700 36200 41900 --- --- --- --- --- --- 16 48500 35200 41500 49300 35300 41300 --- --- --- --- --- --- 17 50500 37600 43400 48400 34500 41200 --- --- --- 46800 36400 41400 18 50100 37000 42500 48200 34900 39800 --- --- --- 47900 36900 41500 19 49900 36300 42100 47600 34800 40400 --- --- --- 46700 35900 41000 20 48700 32800 40900 47100 35200 40800 --- --- --- 44700 34900 38900 21 48900 33100 40300 44500 33900 39000 --- --- --- 43800 33900 38700 22 47900 36300 41500 44800 33400 39500 --- --- --- 47100 34700 40100 23 49800 36500 42600 46100 34300 39700 --- --- --- 49000 34200 41800 24 50500 37600 43600 46900 33900 39700 --- --- --- 49300 37300 42500 25 51000 34000 42100 49600 33300 41000 --- --- --- 47800 37800 41800 26 51600 34500 44300 47200 32600 39300 --- --- --- 49500 37400 42600 27 51600 37800 44100 45300 32900 38500 --- --- --- 46900 37600 41900 28 51500 36500 43100 44600 31000 38200 --- --- --- 47500 37600 41700 29 51500 36400 42300 46300 32700 38800 --- --- --- 46700 38500 41800 30 49400 32900 41300 44700 31200 37800 --- --- --- 45500 36500 40600 31 48500 36200 42000 --- --- --- --- --- --- 44100 34500 39400 MONTH --- --- --- 52600 31000 41200 --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 43800 34100 38800 --- --- --- 41900 28900 34600 47400 36700 41400 2 44500 34300 39200 --- --- --- 40400 30800 35300 47200 37000 41700 3 45600 34200 40000 --- --- --- 41200 31100 35700 47000 36800 41500 4 47500 35600 40800 --- --- --- 42300 30600 36200 49100 35600 42000 5 48300 36300 41300 --- --- --- 45800 32100 38100 49000 36500 42700 6 49600 36400 42000 --- --- --- 45800 32700 38500 50700 37100 43300 7 51000 36000 42800 --- --- --- 44400 31900 37800 51400 38500 44800 8 51300 36300 43100 --- --- --- 45300 30600 37900 49500 38200 44000 9 51100 35700 43200 --- --- --- 45700 31000 38000 47900 34200 39400 10 50200 35100 42000 --- --- --- 44800 31700 37600 48600 36700 41500 11 51400 35100 42200 --- --- --- 44800 32400 37600 47400 37500 41900 12 51400 36600 43200 --- --- --- 44400 32000 36300 46300 36600 41000 13 49700 36600 41600 --- --- --- 42500 32000 36000 46700 36400 41800 14 46300 36200 41200 42300 31400 36300 44000 32500 38200 48200 38100 42900 15 46800 34500 40600 42500 31100 36600 41900 31900 37300 46900 38500 42600 16 45900 35300 40800 41600 30200 36000 45500 32100 39200 46700 39600 43100 17 48600 35200 41900 42100 30000 36400 47000 37100 42500 47400 40400 43300 18 51800 36500 44200 43600 31100 38500 46100 37800 42200 46900 38300 42600 19 52100 39200 44300 45300 32800 39500 45900 37600 41900 46500 37500 41600 20 51900 39400 44000 48900 33900 41600 45500 38900 41800 48200 38100 42300 21 46900 38100 42100 42900 33400 37300 44500 35700 39300 49400 37400 42700 22 49700 38100 43000 40500 30900 35400 46400 34200 39400 50500 37400 42800 23 48100 37100 42400 42500 30600 36100 47300 36500 41600 50100 36600 42500 24 47200 35200 40400 41300 30900 35600 44900 33000 38800 50100 37800 42800 25 45800 35200 39800 43300 30800 35900 50200 31800 40800 50000 36400 42500 26 40900 29900 35500 43000 31600 36700 51000 36600 41700 50000 33000 39400 27 39500 30000 33900 44800 31100 36800 49900 37300 41800 48300 35200 40300 28 40200 29000 33900 45900 31900 37300 47600 36400 41400 44800 34400 38800 29 --- --- --- 45900 33200 37800 47000 37100 41100 43900 33700 38100 30 --- --- --- 43600 29700 35200 49400 35700 41600 43100 34700 38500 31 --- --- --- 41300 29600 34300 --- --- --- 42400 34100 38300 MONTH 52100 29000 41000 --- --- --- 51000 28900 39000 51400 33000 41700 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 --- --- --- 48100 35700 41000 45300 33900 38200 46400 35800 40500 2 --- --- --- 48500 35000 41000 45400 33200 38100 47900 35800 41200 3 45000 32200 36700 48600 34800 41200 45300 33800 38600 48100 36900 41800 4 48000 31800 38600 47300 36500 40900 45100 35000 39300 46700 36700 42200 5 48000 34400 41000 47800 35200 40200 43800 34900 39000 46900 37800 42200 6 48700 34900 40500 48600 35100 40600 43400 34000 38000 48100 37600 42200 7 47500 35300 40100 48500 36300 41600 43400 32200 36500 47900 37700 42400 8 47200 36500 40900 46400 36800 41500 39700 31400 35300 47500 37600 41400 9 47200 36800 40800 47000 37600 41500 43500 32400 37500 46700 36800 40900 10 46900 37100 41200 48200 38400 42500 43700 33500 38600 45800 36000 40800 11 46500 37300 40900 46700 37200 41600 44700 34400 39200 46900 36200 40900 12 43700 35900 39600 46000 36600 41000 43400 33300 38400 47100 36300 41200 13 46300 35000 40900 46800 36800 41800 44900 34200 39400 49400 36900 42100 14 46500 37600 42300 47100 36700 41600 43200 33100 38300 50100 38300 43000 15 46200 38300 42100 46600 37200 40700 40600 32800 36600 50300 38100 44000 16 47300 37600 42400 47100 36900 41100 42900 33400 37100 51000 38700 44800 17 48700 37700 42600 47200 36100 41100 49600 33100 40900 50800 38700 44200 18 50000 37900 43100 48800 36100 41500 50100 37400 42600 51600 40100 45300 19 51800 36900 43700 49500 36400 42100 49600 36100 42400 51500 39900 45400 20 51500 39200 44300 47300 34400 41300 48900 35400 41600 50600 38400 44300 21 51800 38800 44400 50900 38500 44100 49700 36300 42200 50900 38900 44400 22 51300 37800 43300 50600 39300 44700 49200 36900 42700 50400 38200 43400 23 51500 36100 42800 50600 37100 43200 48900 37100 42200 48800 38800 43300 24 51500 37500 43300 48300 35100 40800 47400 36000 40900 47900 37400 42300 25 51000 38200 43500 46700 33400 39000 47900 35100 40600 48100 38000 42200 26 50900 38000 43000 43400 32700 37700 47600 36300 41400 48500 39000 43000 27 49200 36900 42600 43000 32200 37100 45800 36700 40600 47900 38500 43300 28 48000 36700 42200 43700 31500 37400 45100 35100 39900 48600 39700 43500 29 48200 36200 41600 42000 33200 37300 46600 35700 40300 51000 38800 44200 30 48300 36300 41700 44400 31000 36100 46200 36000 40400 49700 37700 44000 31 --- --- --- 45200 30900 37900 46600 36000 40800 --- --- --- MONTH --- --- --- 50900 30900 40700 50100 31400 39600 51600 35800 42800 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 50800 38400 45300 51400 41600 45700 54700 38800 45500 --- --- --- 2 50900 41300 45400 51700 41100 46000 54900 38200 47200 --- --- --- 3 50300 40900 45300 52200 39900 45900 56900 38400 46800 --- --- --- 4 49500 39800 44600 51600 40400 45700 57400 39900 46900 --- --- --- 5 48900 39500 43800 52900 42500 46500 58800 39100 48000 --- --- --- 6 47900 39400 43100 51800 41200 46600 55900 37600 47400 --- --- --- 7 49800 39000 43200 50200 41400 45600 55000 38100 46300 --- --- --- 8 48300 38800 43000 47800 38500 43800 55400 39400 46700 --- --- --- 9 49700 38600 43700 49300 35400 42700 --- --- --- --- --- --- 10 49200 40200 43800 50500 36000 43500 --- --- --- --- --- --- 11 48400 39000 42900 52400 37100 43600 --- --- --- --- --- --- 12 48300 38300 43100 50500 36900 43400 --- --- --- --- --- --- 13 49900 38900 44000 58100 37600 45700 --- --- --- --- --- --- 14 50100 38900 44700 52100 38600 45200 --- --- --- --- --- --- 15 50400 38000 44100 52700 39200 45700 --- --- --- --- --- --- 16 51700 39100 45500 53300 39700 45900 --- --- --- --- --- --- 17 52100 40100 46000 52100 40400 45100 --- --- --- --- --- --- 18 52700 39000 44700 51600 40000 44600 --- --- --- --- --- --- 19 52500 39800 45200 51200 39800 44800 --- --- --- --- --- --- 20 49700 37000 42800 50100 38800 44400 --- --- --- --- --- --- 21 48500 35000 41500 51600 39400 45300 --- --- --- --- --- --- 22 48300 37400 42400 50300 37700 45200 43100 38100 40500 --- --- --- 23 48700 37300 42800 49800 38100 44600 43700 37700 41600 --- --- --- 24 47800 38400 42800 49500 38500 44600 43900 38300 40600 --- --- --- 25 47200 37600 42400 49600 40500 44000 47600 41800 44500 --- --- --- 26 48700 39200 43400 49700 41800 46100 47000 41700 44600 --- --- --- 27 46700 41300 44000 50200 41700 46200 --- --- --- --- --- --- 28 44100 40900 42600 51000 37700 46400 --- --- --- --- --- --- 29 43100 39900 41100 51800 38700 47000 --- --- --- --- --- --- 30 49000 40900 45200 53400 37900 47000 --- --- --- --- --- --- 31 49900 41900 45600 --- --- --- --- --- --- --- --- --- MONTH 52700 35000 43800 58100 35400 45200 --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 --- --- --- 54700 38900 46900 53100 38700 44900 50400 36700 42400 2 --- --- --- 54500 39500 46800 52600 36500 43300 49500 35900 41800 3 --- --- --- 52300 38300 44800 50500 35600 42300 48000 34600 40400 4 --- --- --- 50800 34400 41800 47700 34200 40300 49000 36000 42200 5 --- --- --- 47200 33600 40100 50100 35100 42000 50500 38400 43500 6 --- --- --- 48100 34800 40200 49800 36800 42100 50800 39800 44100 7 --- --- --- 47900 35400 40400 48300 36500 41600 49000 40400 44000 8 --- --- --- 46900 34700 40700 48400 36500 41600 48800 37500 43400 9 --- --- --- 49000 36800 41600 46200 35800 41000 49100 37500 43400 10 --- --- --- 48000 37700 42300 45400 33700 40200 48200 37700 41700 11 --- --- --- 49800 39200 43900 45600 34300 39500 48300 33600 40400 12 50800 36700 43600 51200 40400 45100 47400 34700 40100 47800 36800 40600 13 49500 38600 43600 50500 40500 45000 47700 37300 41300 47900 36500 41000 14 50900 38100 43300 51500 37500 43400 47800 35900 41200 46400 36900 40500 15 50500 38300 43400 49200 38000 43100 47200 36600 40900 44200 36900 39900 16 48800 36400 43300 48100 38100 42400 47100 34300 40400 51200 36600 40800 17 46300 37300 42100 50200 35500 41300 45900 34500 40100 50300 37200 43400 18 48100 33800 41700 49000 37800 42100 46900 33600 39800 50500 36400 43200 19 47900 37600 42600 49500 37600 42400 46400 34700 40100 51300 39000 44000 20 48900 39600 43900 53300 40700 45200 47000 32900 40000 52900 41200 46500 21 50000 36900 42500 50800 38200 43900 47500 34600 41100 53000 40700 47800 22 48800 34000 42600 52000 39200 44400 47600 34200 41400 --- --- --- 23 50300 38300 43500 51200 38600 44200 49500 37500 43300 --- --- --- 24 51500 38700 45500 48600 39000 43400 51200 40000 45200 --- --- --- 25 53700 42700 47300 50400 37600 43500 52300 39100 46100 --- --- --- 26 54400 42800 48500 51700 39300 45200 53900 39100 46300 --- --- --- 27 53300 42200 47400 53600 39800 46400 54200 39200 46400 --- --- --- 28 55100 39700 47200 55800 40000 48100 53200 38400 45800 --- --- --- 29 --- --- --- 55600 42300 48800 51500 36700 43800 --- --- --- 30 --- --- --- 55400 42000 48500 51300 35900 42600 --- --- --- 31 --- --- --- 56800 38800 47400 --- --- --- --- --- --- MONTH --- --- --- 56800 33600 44000 54200 32900 42200 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 --- --- --- 50800 35000 43100 45500 35600 39800 47100 33000 40000 2 --- --- --- 49900 38400 43900 46300 36600 40600 48500 35100 40900 3 --- --- --- 51300 35600 44100 46700 34400 40600 49500 37400 42300 4 --- --- --- 52700 35600 45400 46700 37100 41400 48300 37800 42100 5 49500 37500 43300 52500 40500 45900 48700 37600 42500 49800 36600 42400 6 50100 38800 44100 53200 42400 46800 48100 38600 42800 50800 36600 42800 7 50300 39200 43800 56500 38700 46800 50000 39000 43800 51300 36700 43600 8 54000 38400 45000 53500 40000 46900 50400 37000 42800 50100 37000 43500 9 54500 37100 45800 53100 41300 46700 50000 37600 43700 50300 36700 43500 10 49200 34400 43100 53100 40200 45800 46300 30700 39800 50500 37200 43000 11 51600 36100 40700 54100 37700 44300 44200 31500 37700 49100 35600 41400 12 53400 36100 42300 52900 37500 45200 44000 31800 37900 50000 34300 40700 13 47100 34700 40400 50000 37000 43900 43400 30400 37000 47300 34800 40300 14 45900 32900 39200 49500 36100 42100 44300 29100 37200 44400 33100 38400 15 48700 34400 40500 46900 35800 40700 44700 29700 36900 45000 33300 38000 16 49700 36200 43600 46300 34600 40000 43700 29200 36300 44500 31200 36400 17 51000 40400 44900 45900 35200 40100 44100 30100 36000 46400 31400 38100 18 50500 36800 43300 47700 31300 40300 43800 30500 36800 46600 32500 39500 19 49500 38200 43400 46100 29700 38800 45500 30400 38100 45200 31700 38700 20 51400 37900 43600 47800 29000 38600 45700 30900 38800 48100 32100 40800 21 51300 35000 42600 48600 32700 40700 47000 33300 39800 47700 35100 41600 22 48700 36200 41400 42500 28600 35600 48100 34500 40700 48100 37400 42200 23 47900 33200 40300 41900 28800 35400 --- --- --- 47700 35500 41800 24 50600 31900 40500 41000 29700 34800 48200 35900 42500 47500 36300 41700 25 53000 33700 41200 46400 30400 37700 48200 37100 42100 48300 35700 40900 26 48100 30700 40400 40900 28900 34400 48400 37800 42300 45100 32500 38300 27 46500 32900 39300 41300 28700 33300 47400 37100 41500 42700 31700 36700 28 46400 33000 39000 43800 28000 34800 46700 33600 40400 44300 30100 36200 29 46800 33900 39200 43800 33100 37700 45600 32800 39500 45200 31800 37900 30 48800 35200 41200 43900 32000 37700 44400 33200 38400 45900 34100 39200 31 --- --- --- 45400 33100 39000 46000 31700 38000 --- --- --- MONTH --- --- --- 56500 28000 41000 --- --- --- 51300 30100 40400 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 46200 33500 38800 47000 36300 42100 44500 32800 38500 48000 29700 38400 2 45200 33700 39100 48900 37300 42600 46900 32600 39800 45200 31600 37400 3 44900 35200 39500 50500 37000 42600 46300 33400 39600 47200 30700 37400 4 47900 33500 40400 50500 35700 43000 48700 33700 41000 44100 29900 36600 5 48400 31000 40800 51600 36100 43600 48600 35400 40600 45100 31100 36900 6 49600 31400 41100 48900 34200 40900 47200 34100 39200 42200 31100 35700 7 50000 33700 42200 49100 32700 39500 46200 32100 37900 43200 29000 34500 8 50000 35700 42400 47200 33800 39100 43400 32300 37000 41000 30000 34900 9 49100 36000 41900 44900 31400 37600 44700 32800 37100 42500 31400 36100 10 48100 35100 40400 45000 32800 37400 44900 33700 38400 43500 31600 37400 11 45700 26000 37700 42700 31800 36200 43000 33000 37700 44800 32200 38900 12 42500 25000 34000 42000 30400 36100 40400 32500 36000 45200 34800 40100 13 44200 24700 33700 44300 31000 35900 45200 33900 38300 47900 36200 40600 14 44600 26800 35200 44600 31700 38000 44300 33700 37900 45000 36100 39700 15 46000 31500 37300 44400 32500 38200 43800 33100 38500 44400 36600 39500 16 44100 33200 37300 43800 33500 38400 43600 33700 38000 45300 37100 40900 17 43600 32000 36700 44200 33900 37500 45300 33400 39100 44700 37500 40500 18 46100 33700 38100 42200 31800 36300 48800 35800 40400 46700 36100 40900 19 44500 32300 37500 43700 32200 36800 48100 35400 40100 45100 35400 39700 20 43500 31100 37100 43700 31500 36500 46600 35900 39500 46200 33900 38000 21 48400 32000 37900 44000 31200 36900 43200 32200 37500 44700 32300 38100 22 44600 31700 37700 42800 32100 36100 44700 29600 37400 47400 34000 39600 23 46000 33000 38400 41000 30400 34900 47500 30800 37400 45600 35100 39100 24 46300 34700 38600 41700 30300 35000 47900 34100 39000 45800 31800 37700 25 --- --- --- 41800 31100 35200 44200 30500 36800 42300 33200 37200 26 --- --- --- 44100 30800 36000 42800 30000 35500 43400 32900 37500 27 --- --- --- 43200 32200 36700 43200 33000 37000 46300 30900 38000 28 --- --- --- 44000 33700 37500 42900 31400 36100 49200 34900 40700 29 --- --- --- 43500 34100 38600 43100 29400 35100 46600 36400 40400 30 --- --- --- 41800 33300 37500 45600 29400 36800 47400 31600 40900 31 47000 35600 40500 --- --- --- 47100 31300 38100 48000 31600 40200 MONTH --- --- --- 51600 30300 38100 48800 29400 38100 49200 29000 38500 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 48400 34800 40900 45100 33600 38700 34400 20200 27200 40100 23900 30900 2 47300 35500 40800 44600 34700 38600 34300 21100 26600 39900 26500 31500 3 46900 34500 39700 42400 32200 37000 33600 20300 26500 40500 22900 31000 4 44400 34100 38600 41900 31300 36000 37400 21400 27600 42300 26600 32300 5 43300 32600 37000 39800 30700 34400 37500 23200 28300 39800 24700 31800 6 43900 33600 37100 37600 28200 32500 37500 22300 28500 39200 24600 31000 7 45200 33000 37600 38800 27500 31800 38700 22900 30000 35700 23600 29400 8 45300 32500 37300 38800 27500 32800 37600 23300 29300 37300 24500 30300 9 44400 32900 38100 40000 27400 33700 40400 23400 30200 38100 23900 30700 10 44600 32800 38100 --- --- --- 36700 22000 29700 41400 23900 32000 11 42800 31900 38300 36700 23000 30400 34400 22500 29100 41100 25800 32500 12 44100 34700 38300 36200 19700 29600 37500 22500 29900 43900 27100 33400 13 44800 32600 39100 35900 22700 30200 37800 22200 29400 45900 28700 35100 14 43200 35300 39600 36000 23200 30000 40000 25200 30700 44100 27300 35600 15 44400 36800 40600 39500 24100 30500 41100 25100 32000 --- --- --- 16 48100 36000 42000 38500 25600 31800 42400 23600 32600 42400 29000 35700 17 49300 37600 42400 --- --- --- 43500 23200 33000 43400 28000 35500 18 47800 36900 42000 39300 24900 32600 42300 24400 32600 46600 28600 36300 19 48900 36700 41800 41200 24700 32400 41000 24900 31300 44200 28200 35500 20 48200 36200 41800 39900 22500 31200 39200 24600 31200 42700 27800 34100 21 47800 37700 42100 39500 19900 28400 35000 23000 29800 40700 27600 32900 22 48000 37000 41500 34800 16400 24300 35600 24200 29500 37900 25400 31200 23 45900 32100 37900 34200 16400 22600 38500 22500 29600 37800 23800 29700 24 44100 30000 37600 34100 16100 24600 36300 24400 29800 35700 24200 29800 25 43400 31000 36900 34600 17500 26300 35000 22800 29300 37400 23700 29900 26 45800 33600 38300 34800 19400 26600 37200 22800 29400 33900 23500 28800 27 46000 34600 38900 34300 18400 27600 38400 22900 28900 37000 24200 30000 28 44500 33900 38600 37300 17500 27900 40000 24200 30100 38700 24100 31200 29 --- --- --- 36100 20300 27700 40700 24400 31200 36600 25200 30800 30 --- --- --- --- --- --- 40000 25000 31500 40500 26400 32200 31 --- --- --- 34400 18200 27200 --- --- --- 41200 26500 31600 MONTH 49300 30000 39400 --- --- --- 43500 20200 29800 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021720710 COOPER RVR @ CUSTOMS HOUSE (AUX) @ CHARLESTON, SC SOURCE AGENCY USGS STATE 45 COUNTY 019 LATITUDE 324649 LONGITUDE 0795526 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 10 NGVD29 Date Processed: 2004-07-07 10:23 By mishealy APPROVED DD #28, , BOTTOM, PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 38400 23800 31100 38400 25300 32700 38700 23100 30200 42100 27400 33200 2 40100 26400 31900 38400 27700 32200 39000 24200 30700 42500 25500 33000 3 36900 26600 31700 37200 24600 31300 40400 25800 30600 41700 24700 31700 4 39400 24700 31100 37200 23900 30900 39500 23400 30400 41600 26000 31300 5 38300 25600 30500 40100 23300 31600 40400 23400 30000 38300 24600 32800 6 37200 23100 30000 39400 25300 31800 40100 22600 29900 39800 24000 32000 7 39700 24800 30700 39800 24500 31100 38500 24800 30800 39100 27000 31800 8 37200 25000 30000 43100 26300 32500 39800 23700 30900 36900 25500 32100 9 39000 26000 31300 44400 27700 34500 38800 26300 31000 39800 25900 31200 10 39800 25900 31400 43700 26700 33800 38200 23100 30600 36300 23600 30300 11 41200 26400 32400 43800 27600 34200 39000 24100 31100 37500 22600 29600 12 39900 25300 32300 44700 28000 34600 38100 25100 31600 36800 23900 29700 13 42100 25400 32700 42200 27600 34500 37800 25600 31800 36900 22100 28200 14 42100 24400 33900 40100 25400 33300 39500 25400 32100 37400 22500 27900 15 40100 25200 32800 39000 27600 32300 38300 26800 32000 37400 22500 28600 16 43000 25400 32900 39300 25600 32800 39600 22700 31400 38300 21200 29300 17 42600 25800 32600 37900 25500 31500 39000 25900 31400 39200 22000 31700 18 41300 25200 32000 37000 24500 31500 39000 24200 31600 39400 25400 31900 19 40200 23300 30500 39000 25500 31200 40200 24700 32700 37500 23900 30200 20 40500 23700 30000 39100 25200 31700 41300 25200 33600 38100 26200 31600 21 39400 22800 30600 39200 26500 32800 40400 25900 33300 40700 27100 32200 22 40200 23600 31500 39600 24600 31600 38100 27700 33300 37700 26900 32300 23 41600 24500 32300 37300 29600 33400 41300 26200 32500 39600 27200 32000 24 41200 24500 32000 37700 21600 31600 40100 29100 34000 40500 25600 32800 25 38700 24400 32100 38600 21900 29400 39700 28400 34100 39100 28700 33900 26 39700 25700 32700 38500 23100 29100 40400 29300 35000 41200 27500 33500 27 39600 26800 32600 37600 22800 29700 41400 29500 35200 40500 27500 33800 28 41900 27700 33000 35800 22200 27900 41900 29100 34600 42000 28400 33200 29 40200 28000 32900 39700 21900 28900 42200 28300 35200 40500 24600 32000 30 39800 26800 33500 39900 23700 29500 42400 30300 34900 39200 25800 31400 31 --- --- --- 38700 23100 29500 42500 27300 34400 --- --- --- MONTH 43000 22800 31800 44700 21600 31700 42500 22600 32300 42500 21200 31500