USGS
1995 California Hydrologic Data Report
11470500 EEL RIVER BELOW SCOTT DAM, NEAR POTTER VALLEY, CA
LOCATION.--Lat 39`24'29", long 122`58'29", in SE 1/4 sec.15, T.18 N., R.10 W., Lake County, Hydrologic Unit
18010103, Mendocino National Forest, on left bank 0.4 mi upstream from Soda Creek, 0.7 mi downstream from
Scott Dam, and 9.7 mi northeast of town of Potter Valley.
DRAINAGE AREA.--290 mi2.
PERIOD OF RECORD.--October 1922 to current year. Monthly discharge only for some periods, published in
WSP 1315-B. Prior to October 1929, published as "South Eel River at Hullville," and October 1929 to
September 1953, "at Hullville."
REVISED RECORDS.--WSP 1315-B: 1923(M), 1938(M). WSP 1395: Drainage area.
GAGE.--Water-stage recorder. Elevation of gage is 1,740 ft above sea level, from topographic map. Prior to
Dec. 15, 1930, at datum 3.00 ft higher.
REMARKS.--No estimated daily discharges. Flow regulated by Lake Pillsbury (station 11470000) 0.7 mi upstream.
No diversion upstream from station. See schematic diagram of Eel River basin.
COOPERATION.--Records collected by Pacific Gas & Electric Co., under general supervision of the U.S. Geological
Survey, in connection with a Federal Energy Regulatory Commission project.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 56,300 ft3/s, Dec. 22, 1964, gage height, 24.24 ft, from
floodmarks, from rating curve extended above 37,000 ft3/s; minimum daily, 0.1 ft3/s, Sept. 8, 1924.
EXTREMES FOR CURRENT YEAR.--Maximum discharge, 30,300 ft3/s, Jan. 9, gage height, 18.12 ft; minimum daily,
49 ft3/s, Aug. 29.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1994 TO SEPTEMBER 1995
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 100 104 161 117 4490 462 1650 4370 334 134 120 145
2 99 104 133 126 3710 519 1550 4090 336 119 122 150
3 157 106 118 126 2880 845 1440 2630 338 106 122 144
4 136 103 115 126 2360 885 1370 2120 340 109 122 144
5 90 103 115 126 2020 745 1120 1610 341 110 121 145
6 89 102 164 104 1720 637 1370 1410 339 110 119 144
7 92 101 363 111 1520 557 2810 1100 337 110 114 132
8 98 101 372 10000 1390 1020 3190 1110 336 110 117 134
9 92 104 376 24700 1260 14700 2760 860 336 109 121 134
10 90 102 380 12900 1140 11000 2290 634 336 113 122 135
11 100 102 382 8720 1040 9690 1830 650 336 114 121 135
12 91 102 383 8660 966 5720 1580 663 334 108 121 135
13 92 102 180 13400 946 5340 1710 969 334 109 121 135
14 100 101 103 16600 893 9840 1180 1220 336 113 121 132
15 100 103 102 7550 797 8030 962 1210 294 113 121 121
16 100 101 103 4160 723 4350 1100 1210 251 114 121 121
17 100 101 103 2850 664 3170 756 1030 252 114 121 125
18 99 100 103 2160 638 3100 537 873 252 114 121 133
19 99 100 103 1800 609 2750 592 670 252 112 121 132
20 99 99 94 1520 581 4560 396 419 253 111 122 132
21 99 98 93 1320 564 4640 177 427 214 110 121 132
22 99 98 106 1530 483 4010 192 562 186 112 121 132
23 100 82 115 2790 476 3620 214 789 194 118 121 130
24 100 81 117 3130 508 2960 220 790 195 118 121 129
25 100 83 116 2850 512 2610 227 790 172 118 121 126
26 100 81 87 2770 498 2370 230 746 145 120 121 127
27 101 82 55 3090 483 2210 520 649 147 120 121 127
28 102 81 51 3860 470 2100 1070 649 148 120 73 127
29 98 90 62 3700 --- 2010 3400 646 135 120 49 127
30 102 128 64 5330 --- 1890 2920 573 120 119 61 127
31 103 --- 68 5210 --- 1770 --- 426 --- 119 68 ---
TOTAL 3127 2945 4887 151436 34341 118110 39363 35895 7923 3546 3509 3992
MEAN 101 98.2 158 4885 1226 3810 1312 1158 264 114 113 133
MAX 157 128 383 24700 4490 14700 3400 4370 341 134 122 150
MIN 89 81 51 104 470 462 177 419 120 106 49 121
AC-FT 6200 5840 9690 300400 68120 234300 78080 71200 15720 7030 6960 7920
11470500 EEL RIVER BELOW SCOTT DAM, NEAR POTTER VALLEY, CA--Continued
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1923 - 1995, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 221 279 730 1248 1375 1048 668 326 195 179 181 209
MAX 361 1851 4945 5684 6624 4536 3357 1184 438 329 334 335
(WY) 1963 1974 1965 1970 1986 1983 1982 1983 1993 1959 1959 1961
MIN 19.1 13.3 27.6 35.8 7.27 11.8 15.4 34.4 50.3 64.5 65.0 34.4
(WY) 1978 1934 1960 1944 1977 1977 1977 1977 1977 1977 1977 1977
SUMMARY STATISTICS FOR 1994 CALENDAR YEAR FOR 1995 WATER YEAR WATER YEARS 1923 - 1995
ANNUAL TOTAL 54024 409074
ANNUAL MEAN 148 1121 551
HIGHEST ANNUAL MEAN 1443 1983
LOWEST ANNUAL MEAN 85.4 1977
HIGHEST DAILY MEAN 400 Mar 17 24700 Jan 9 45300 Dec 22 1964
LOWEST DAILY MEAN 51 Aug 31 49 Aug 29 .10 Sep 8 1924
ANNUAL SEVEN-DAY MINIMUM 72 Dec 25 72 Dec 25 .43 Sep 6 1924
INSTANTANEOUS PEAK FLOW 30300 Jan 9 56300 Dec 22 1964
INSTANTANEOUS PEAK STAGE 18.12 Jan 9 24.24 Dec 22 1964
ANNUAL RUNOFF (AC-FT) 107200 811400 399400
10 PERCENT EXCEEDS 242 2940 1090
50 PERCENT EXCEEDS 107 145 232
90 PERCENT EXCEEDS 91 99 88
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