BIG SANDY RIVER BASIN 03208500 RUSSELL FORK AT HAYSI, VA LOCATION.--Lat 37 degrees 12'25", long 82 degrees 17'45", Dickenson County, Hydrologic Unit 05070202, on right bank 180 ft downstream from bridge on State Highway 63, at Haysi, and 700 ft downstream from McClure River. DRAINAGE AREA.--286 mi2. PERIOD OF RECORD.--July 1926 to current year. Monthly discharge only for some periods, published in WSP 1305. REVISED RECORDS.--WSP 1003: 1926-43. WSP 1385: 1928(M), 1929, 1933(M), 1935(M), 1937-38(M). GAGE.--Water-stage recorder. Datum of gage is 1,237.61 ft above sea level. Prior to Dec. 21, 1939, nonrecording gage at highway bridge 180 ft upstream at same datum. REMARKS.--Records good except those for periods with ice effect, Dec. 9-13, 30, Jan. 7-13, and Feb. 4-6, which are poor. U.S. Army Corps of Engineers satellite precipitation and gage-height telemeter at station. Maximum discharge, 59,000 ft3/s, from rating curve extended above 32,000 ft3/s on basis of slope-area measurement of peak flow. Several measurements of water temperature were made during the year. Water-quality records for some prior periods have been collected at this location. EXTREMES FOR CURRENT YEAR.--Peak discharges equal to or greater than base discharge of 4,500 ft3/s and maximum (*): Discharge Gage height Discharge Gage height Date Time (ft3/s) (ft) Date Time (ft3/s) (ft) Jan. 19 1000 *8,320 *9.14 Feb. 9 0700 6,260 7.90 Jan. 27 0800 7,170 8.46 Mar. 7 1730 4,880 6.99 Minimum discharge, 16 ft3/s, Oct. 2, 3, gage height, 1.93 ft. DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 18 26 126 111 446 760 947 1040 423 60 355 40 2 17 67 109 289 395 609 1300 895 330 286 192 38 3 17 166 91 1260 365 484 1050 773 290 983 121 53 4 20 92 87 690 e330 379 812 634 272 358 94 73 5 70 62 77 442 e300 353 664 537 235 175 79 58 6 107 48 70 348 e280 2310 548 847 183 115 77 58 7 54 603 75 e280 354 3800 491 848 174 94 67 54 8 35 567 70 e230 881 2520 442 1240 250 93 60 48 9 27 241 e64 e190 4940 1210 445 1270 191 120 66 48 10 23 138 e62 e170 2380 823 387 887 229 93 59 90 11 20 146 e60 e170 1610 668 359 689 166 71 51 63 12 18 382 e68 e180 1110 582 345 564 207 64 632 60 13 18 230 e84 e190 756 512 334 448 414 62 662 251 14 26 188 102 201 651 456 335 380 288 79 331 108 15 72 205 175 445 641 486 314 586 191 146 185 68 16 54 172 228 951 625 585 671 2700 148 167 125 70 17 36 134 229 1720 568 1540 708 1110 125 104 175 93 18 28 114 260 1790 513 1240 587 676 130 80 146 79 19 25 96 813 4930 444 1140 530 493 121 89 118 64 20 24 84 1420 1770 450 1250 521 390 124 260 89 55 21 23 77 660 912 488 992 587 325 126 138 75 49 22 23 68 396 613 491 777 558 300 100 100 67 46 23 23 62 274 490 483 661 526 227 88 81 60 41 24 21 67 204 1050 445 594 463 185 89 70 57 39 25 19 61 164 1260 382 566 412 1230 184 71 65 41 26 18 54 140 886 359 505 498 698 112 137 58 40 27 23 53 126 4430 346 434 513 527 87 102 53 37 28 42 54 112 1680 818 969 480 792 76 80 51 180 29 49 92 94 977 997 1490 461 1360 69 81 49 624 30 35 133 e84 699 --- 1050 776 880 64 71 44 198 31 29 --- 96 565 --- 830 --- 568 --- 94 41 --- TOTAL 1014 4482 6620 29919 22848 30575 17064 24099 5486 4524 4304 2766 MEAN 32.7 149 214 965 788 986 569 777 183 146 139 92.2 MAX 107 603 1420 4930 4940 3800 1300 2700 423 983 662 624 MIN 17 26 60 111 280 353 314 185 64 60 41 37 CFSM .11 .52 .75 3.37 2.75 3.45 1.99 2.72 .64 .51 .49 .32 IN. .13 .58 .86 3.89 2.97 3.98 2.22 3.13 .71 .59 .56 .36 e Estimated. BIG SANDY RIVER BASIN 03208500 RUSSELL FORK AT HAYSI, VA--Continued STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1926 - 1996, BY WATER YEAR (WY) OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP MEAN 86.2 164 331 519 651 769 576 421 179 146 121 64.6 MAX 838 961 1326 2083 1797 2331 1994 1429 715 566 561 608 (WY) 1990 1978 1927 1937 1939 1955 1977 1958 1989 1938 1966 1989 MIN .98 2.46 11.1 19.6 57.7 168 64.0 63.4 21.6 3.03 8.81 2.07 (WY) 1954 1954 1954 1940 1941 1988 1942 1941 1966 1930 1953 1943 SUMMARY STATISTICS FOR 1995 CALENDAR YEAR FOR 1996 WATER YEAR WATER YEARS 1926 - 1996 ANNUAL TOTAL 115335 153701 ANNUAL MEAN 316 420 334 HIGHEST ANNUAL MEAN 568 1994 LOWEST ANNUAL MEAN 100 1941 HIGHEST DAILY MEAN 5000 May 19 4940 Feb 9 30600 Apr 4 1977 LOWEST DAILY MEAN 11 aSep 10 17 bOct 2 .20 Jun 27 1936 ANNUAL SEVEN-DAY MINIMUM 12 Sep 6 21 Oct 21 .56 Jun 24 1936 INSTANTANEOUS PEAK FLOW 8320 Jan 19 59000 Apr 4 1977 INSTANTANEOUS PEAK STAGE 9.14 Jan 19 28.24 Apr 4 1977 INSTANTANEOUS LOW FLOW 16 bOct 2 c.20 dJun 27 1936 ANNUAL RUNOFF (CFSM) 1.10 1.47 1.17 ANNUAL RUNOFF (INCHES) 15.00 19.99 15.89 10 PERCENT EXCEEDS 687 979 736 50 PERCENT EXCEEDS 139 191 130 90 PERCENT EXCEEDS 20 47 15 a Also Sept. 11, 12, 1995. b Also Oct. 3, 1995. c Observed. d Also June 28, 1936.