10340500 PROSSER CREEK BELOW PROSSER CREEK DAM, NEAR TRUCKEE, CA
LOCATION.-Lat 39°22'24", long 120°07'50", in NW 1/4 NE 1/4 sec.31, T.18 N., R.17 E., Nevada County, Hydrologic Unit 16050102, on left
bank 300 ft downstream from Station Creek, 0.5 mi downstream from Prosser Creek Dam, 0.9 mi upstream from mouth, and 4.2 mi northeast
of Truckee.
DRAINAGE AREA.-52.9 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.-October 1902 to June 1903 (gage heights only), October 1942 to December 1950, June 1951 to current year. Prior to
October 1976, published as "near Boca." Monthly discharge only for October 1942 to December 1950 published in WSP 1734; daily discharge
in files of U.S. Geological Survey. Records for April 1889 to November 1890, published in the 11th and 12th Annual Reports, Part 2, have
been found to be unreliable and should not be used.
REVISED RECORDS.-WDR CA-79-3: Drainage area.
GAGE.-Water-stage recorder. Datum of gage is 5,602.31 ft above sea level (levels by U.S. Bureau of Reclamation). See WSP 2127 for history of
changes prior to September 1956. October 1956 to May 1976, water-stage recorder at site 0.8 mi downstream at datum 29.69 ft lower.
REMARKS.-Records good. Flow regulated by Prosser Creek Reservoir (station 10340300) since Jan. 30, 1963. See schematic diagram of Truckee
River Basin.
EXTREMES FOR PERIOD OF RECORD.-Water years 1943-63, prior to construction of Prosser Creek Dam, maximum discharge, 4,560 ft3/s,
Dec. 23, 1955, gage height, 10.13 ft, present datum, from rating curve extended above 910 ft3/s on basis of slope-area measurement of peak
flow; maximum gage height, 11.0 ft from floodmarks, present datum, Nov. 20, 1950; minimum discharge, 0.4 ft3/s, July 18, 1961, result of
work on dam upstream. Maximum discharge since construction of Prosser Creek Dam in 1963, 2,030 ft3/s, Jan. 3, 1997, gage height, 6.72 ft,
from rating curve extended above 880 ft3/s on basis of valve setting at Prosser Creek Dam; minimum daily, 0.02 ft3/s, Jan. 2, 1975, result of
temporary closing of Prosser Creek Dam for spillway maintenance.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 93 10 41 92 119 112 328 193 102 56 77 103
2 93 10 41 179 118 113 221 197 100 56 77 89
3 94 10 42 1100 118 90 189 198 100 55 77 88
4 93 16 43 1560 118 77 190 199 91 55 77 92
5 93 21 252 1380 118 78 189 200 84 56 77 92
6 93 21 228 1380 118 79 188 199 84 56 89 92
7 93 21 91 1420 118 81 160 164 83 56 104 92
8 93 21 92 1160 119 82 145 125 83 56 110 92
9 93 21 91 925 119 83 147 117 83 56 109 92
10 92 21 172 894 106 108 126 117 71 56 109 92
11 92 20 167 924 93 122 107 117 58 70 109 92
12 92 20 270 942 93 134 107 117 58 86 109 92
13 91 20 461 1110 77 165 106 119 59 86 109 91
14 98 20 311 781 67 175 107 119 60 69 111 91
15 104 20 203 911 68 173 107 122 59 53 111 92
16 104 20 143 470 68 172 109 122 59 53 110 92
17 104 22 90 242 69 173 108 124 59 53 108 92
18 104 231 90 179 69 173 108 123 58 53 107 91
19 103 435 90 178 70 83 109 123 59 53 119 72
20 103 219 83 143 70 37 108 123 59 53 126 48
21 102 89 70 113 71 37 109 122 58 68 124 48
22 102 89 70 113 72 131 109 122 58 79 125 48
23 102 89 70 113 72 225 110 160 59 79 124 48
24 101 89 70 113 73 326 160 190 59 79 124 48
25 101 59 70 89 73 352 192 189 59 79 124 48
26 100 41 71 29 75 410 190 167 73 79 107 47
27 100 41 130 292 75 447 195 134 82 78 98 47
28 100 41 180 293 94 446 199 134 69 78 103 47
29 39 41 135 138 --- 442 190 132 56 79 103 48
30 10 41 20 118 --- 440 191 132 56 79 103 49
31 10 --- 36 118 --- 437 --- 116 --- 79 103 ---
TOTAL 2792 1819 3923 17499 2520 6003 4604 4516 2098 2043 3263 2255
MEAN 90.1 60.6 127 564 90.0 194 153 146 69.9 65.9 105 75.2
MAX 104 435 461 1560 119 447 328 200 102 86 126 103
MIN 10 10 20 29 67 37 106 116 56 53 77 47
AC-FT 5540 3610 7780 34710 5000 11910 9130 8960 4160 4050 6470 4470
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1943 - 1962, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 13.1 34.5 47.9 36.1 45.1 75.4 203 261 157 48.5 12.1 8.45
MAX 22.4 268 321 155 89.7 175 406 669 395 176 44.5 19.6
(WY) 1946 1951 1956 1956 1943 1943 1952 1952 1952 1952 1952 1952
MIN 6.63 8.62 9.81 10.0 11.0 20.0 94.5 106 55.9 10.0 3.79 3.90
(WY) 1961 1960 1960 1948 1948 1948 1955 1959 1947 1961 1961 1947
SUMMARY STATISTICS WATER YEARS 1943 - 1962
ANNUAL MEAN 76.8
HIGHEST ANNUAL MEAN 162 1952
LOWEST ANNUAL MEAN 38.1 1961
HIGHEST DAILY MEAN 3490 Dec 23 1955
LOWEST DAILY MEAN 2.7 Aug 24 1961
ANNUAL SEVEN-DAY MINIMUM 3.1 Aug 19 1947
INSTANTANEOUS PEAK FLOW 4560 Dec 23 1955
INSTANTANEOUS PEAK STAGE 11.00 Nov 20 1950
ANNUAL RUNOFF (AC-FT) 55620
10 PERCENT EXCEEDS 212
50 PERCENT EXCEEDS 27
90 PERCENT EXCEEDS 7.0
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1964 - 1997, BY WATER YEAR (WY)
MEAN 94.6 41.3 58.6 81.5 76.9 117 127 210 109 53.9 44.7 109
MAX 282 214 361 564 397 371 372 545 494 167 151 477
(WY) 1983 1982 1965 1997 1986 1986 1969 1983 1983 1985 1995 1983
MIN 5.41 6.84 5.32 7.96 17.5 27.1 21.7 17.2 8.39 6.33 2.55 1.96
(WY) 1989 1989 1989 1989 1991 1977 1977 1985 1966 1966 1994 1992
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1964 - 1997
ANNUAL TOTAL 47942 53335
ANNUAL MEAN 131 146 93.7
HIGHEST ANNUAL MEAN 214 1983
LOWEST ANNUAL MEAN 24.4 1977
HIGHEST DAILY MEAN 838 May 19 1560 Jan 4 1790 Feb 21 1986
LOWEST DAILY MEAN 10 Oct 30 10 Oct 30 .02 Jan 2 1975
ANNUAL SEVEN-DAY MINIMUM 12 Oct 30 12 Oct 30 .30 Apr 13 1977
INSTANTANEOUS PEAK FLOW 2030 Jan 3 2030 Jan 3 1997
INSTANTANEOUS PEAK STAGE 6.72 Jan 3 6.72 Jan 3 1997
ANNUAL RUNOFF (AC-FT) 95090 105800 67880
10 PERCENT EXCEEDS 284 209 223
50 PERCENT EXCEEDS 93 93 46
90 PERCENT EXCEEDS 20 47 9.0
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1997 California Hydrologic Data
Report
10340500 PROSSER CREEK BELOW PROSSER CREEK DAM, NEAR TRUCKEE, CA-Continued
WATER-QUALITY RECORDS
PERIOD OF RECORD.-
WATER TEMPERATURE: June 1993 to current year.
PERIOD OF DAILY RECORD.-
WATER TEMPERATURE: June 1993 to current year.
INSTRUMENTATION.-Water-temperature recorder since June 1993.
REMARKS.-Water temperature is affected by regulation from Prosser Creek Dam.
EXTREMES FOR PERIOD OF DAILY RECORD.-
WATER TEMPERATURE: Maximum recorded, 27.0C, Aug. 13-15, 1994; minimum recorded, 0.0C, Jan . 26, 1997.
EXTREMES FOR CURRENT YEAR.-
WATER TEMPERATURE: Maximum recorded, 19.0C, Sept. 20; minimum recorded, 0.0C, Jan. 26.
WATER TEMPERATURE, DEGREES CELSIUS, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAY MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN
OCTOBER NOVEMBER DECEMBER JANUARY FEBRUARY MARCH
1 17.0 15.0 12.5 6.0 6.0 4.0 3.5 2.5 2.0 1.0 3.0 1.5
2 16.5 15.0 12.5 6.0 5.5 4.0 2.5 1.0 2.0 1.0 3.0 2.0
3 16.5 15.0 12.0 6.0 5.5 4.0 1.5 1.0 2.0 1.0 3.5 1.5
4 16.5 15.0 10.5 6.0 5.0 4.0 1.5 1.0 2.0 1.5 4.0 1.5
5 16.5 15.0 10.5 6.5 4.5 4.5 1.5 1.5 2.0 1.0 4.0 1.5
6 16.5 14.5 10.5 6.0 4.5 3.5 1.5 1.5 2.0 1.0 4.0 1.5
7 16.0 14.5 10.5 6.0 4.5 3.5 1.5 1.5 2.5 1.0 4.0 1.5
8 16.5 14.5 10.5 6.0 5.0 4.0 1.5 1.5 2.0 1.0 4.0 2.0
9 16.5 14.5 10.0 6.0 4.0 4.0 1.5 1.5 2.0 1.5 4.5 2.0
10 16.0 14.5 10.5 6.0 4.0 3.5 1.5 1.5 2.5 1.0 4.0 2.0
11 16.0 14.5 10.5 6.5 4.0 3.5 1.5 1.5 2.5 1.0 3.5 2.0
12 15.5 14.5 10.5 6.0 4.0 3.5 1.5 1.5 2.5 1.0 3.5 2.0
13 15.5 14.0 10.5 6.5 3.5 3.5 1.5 1.5 3.0 1.0 3.5 2.0
14 15.5 14.0 9.0 6.0 4.0 3.5 1.5 1.5 3.0 1.0 3.5 2.5
15 15.0 13.5 8.5 6.0 4.0 3.5 1.5 1.5 3.0 1.0 3.5 2.5
16 15.0 13.5 7.5 6.0 4.0 3.5 1.5 1.5 3.0 1.5 3.5 2.5
17 14.5 13.0 8.0 6.5 4.0 3.0 2.0 1.5 3.5 1.0 4.0 2.5
18 14.5 13.0 7.5 7.0 4.0 3.0 2.0 1.5 3.5 1.5 4.0 2.5
19 14.0 12.5 7.0 6.5 4.5 3.0 2.0 1.5 3.5 1.5 8.0 3.0
20 13.0 11.5 7.5 6.0 4.0 2.5 2.0 1.0 3.5 1.5 8.0 3.0
21 13.0 11.5 6.5 6.0 3.5 2.5 2.0 1.5 3.5 1.5 7.0 3.0
22 12.5 11.5 6.5 6.0 3.5 2.5 1.5 .5 3.5 1.5 4.5 3.0
23 12.5 11.0 6.5 5.5 4.5 3.0 2.0 1.5 3.5 1.5 4.5 3.0
24 13.0 11.5 6.5 5.5 4.0 3.0 2.0 1.0 3.5 1.5 4.0 3.5
25 11.5 10.5 7.0 5.0 4.5 3.0 2.0 1.0 3.5 1.5 4.0 3.5
26 11.0 10.0 7.0 5.0 4.0 3.5 3.5 .0 3.5 2.0 4.0 3.5
27 11.0 9.5 7.0 4.5 4.0 3.0 2.0 1.0 3.0 1.5 4.0 3.5
28 10.0 9.0 6.5 5.0 4.0 3.5 2.0 1.0 3.5 1.5 4.5 4.0
29 9.5 8.0 6.5 4.5 4.0 2.0 2.0 1.5 --- --- 5.0 4.0
30 10.5 7.5 6.0 4.5 5.0 1.5 2.0 1.5 --- --- 5.5 4.5
31 11.5 6.5 --- --- 5.0 3.0 2.0 1.5 --- --- 5.5 4.5
MONTH 17.0 6.5 12.5 4.5 6.0 1.5 3.5 .0 3.5 1.0 8.0 1.5
WATER TEMPERATURE, DEGREES CELSIUS, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAY MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN
APRIL MAY JUNE JULY AUGUST SEPTEMBER
1 5.0 4.5 8.0 6.5 10.5 8.5 13.5 10.0 13.5 11.0 16.0 14.5
2 5.5 4.5 8.0 6.5 11.0 8.5 13.5 10.0 13.5 11.0 16.0 14.5
3 5.5 4.5 8.5 6.5 10.0 9.0 13.5 10.0 13.5 11.0 16.5 15.0
4 5.5 4.5 8.5 7.0 10.0 9.0 13.5 10.5 14.0 11.0 17.0 15.0
5 5.5 4.5 8.0 7.0 10.5 9.0 13.5 10.0 14.0 11.5 17.5 15.5
6 6.0 4.5 8.5 7.0 11.5 9.0 13.5 10.0 13.5 11.5 18.0 15.5
7 6.5 5.0 8.5 7.0 11.5 9.0 14.0 10.0 13.5 11.5 18.0 16.0
8 6.5 5.0 9.0 7.0 11.0 9.0 14.0 10.5 13.5 11.5 18.5 16.5
9 6.0 5.0 9.0 7.0 11.0 9.0 13.5 10.5 13.5 11.5 18.5 16.5
10 7.0 5.0 9.0 7.0 11.0 9.0 14.0 10.5 13.5 12.0 18.5 17.0
11 7.0 4.5 9.0 7.5 12.0 9.0 13.5 10.5 13.5 12.0 18.5 17.0
12 6.5 4.5 9.5 7.5 12.5 9.0 13.0 10.5 13.5 12.0 18.5 17.0
13 6.5 5.0 9.5 7.5 10.5 9.5 13.0 10.5 14.0 12.0 18.5 17.0
14 7.0 5.0 9.5 7.5 12.0 9.5 14.0 10.5 14.0 12.0 18.5 17.5
15 7.0 5.0 9.5 7.5 12.5 9.5 14.0 10.5 14.0 12.0 18.5 17.0
16 7.0 5.0 9.5 8.0 13.0 9.5 13.5 10.5 14.0 12.0 18.5 16.5
17 7.0 5.0 9.5 8.0 12.5 9.5 14.0 10.5 14.0 12.5 18.0 16.5
18 7.5 5.0 9.5 7.5 13.0 9.5 14.0 10.5 14.0 12.0 18.0 16.5
19 7.0 5.5 9.5 7.5 13.0 9.5 14.0 10.5 13.5 12.5 18.5 16.0
20 8.0 5.5 9.5 8.0 13.0 9.5 14.0 10.5 14.0 13.0 19.0 15.5
21 7.5 6.0 9.5 8.0 13.0 9.5 13.5 10.5 14.0 13.0 18.5 15.0
22 7.5 5.5 9.5 8.0 13.0 9.5 13.5 11.0 14.5 12.5 18.5 15.0
23 8.0 6.0 9.0 8.5 13.0 9.5 12.5 11.0 14.5 13.0 18.5 15.0
24 7.5 6.0 9.5 8.5 13.0 9.5 13.5 11.0 14.5 13.0 18.0 15.0
25 7.5 6.0 9.5 8.5 13.0 10.0 13.0 11.0 15.0 13.5 17.5 15.5
26 7.5 6.0 9.5 8.5 12.5 9.5 13.0 11.0 15.0 13.5 18.0 15.5
27 8.0 6.5 10.0 8.5 12.5 10.0 13.5 11.0 15.0 13.5 18.0 15.0
28 7.5 6.5 10.0 8.5 13.0 10.0 13.5 11.0 15.5 13.5 18.0 15.0
29 8.0 6.5 10.0 8.5 13.0 9.5 13.5 11.0 15.5 13.5 18.0 15.0
30 8.0 6.5 10.5 8.5 12.5 10.0 13.0 11.0 16.0 14.0 18.0 15.0
31 --- --- 10.5 8.5 --- --- 13.5 11.0 16.0 14.5 --- ---
MONTH 8.0 4.5 10.5 6.5 13.0 8.5 14.0 10.0 16.0 11.0 19.0 14.5
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