10343500 SAGEHEN CREEK NEAR TRUCKEE, CA
(Hydrologic Benchmark Station)
LOCATION.-Lat 39°25'54", long 120°14'13", in NE 1/4 NE 1/4 sec.7, T.18 N., R.16 E., Nevada County, Hydrologic Unit 16050102, on left bank
2.2 mi upstream from bridge on State Highway 89 and 7.5 mi north of Truckee.
DRAINAGE AREA.-10.5 mi2.
PERIOD OF RECORD.-October 1953 to current year.
PRECIPITATION DATA: Water years 1990-96.
CHEMICAL DATA: Water years 1968-72, 1986-96.
WATER TEMPERATURE: Water years 1970-74.
SEDIMENT DATA: Water years 1968-75, 1981-96.
REVISED RECORDS.-WDR CA-79-3: Drainage area.
GAGE.-Water-stage recorder and concrete control. Elevation of gage is 6,320 ft above sea level, from topographic map. Prior to Dec. 2, 1953,
nonrecording gage at site 100 ft upstream at different datum.
REMARKS.-Records good including estimated periods. No storage or diversion upstream from station. See schematic diagram of Truckee River
Basin.
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge, 1,230 ft3/s, Jan. 1, 1997, gage height, 5.20 ft, from poor high-water mark on
gage house. Rating curve extended above 160 ft3/s on basis of slope-area measurement at gage height 4.28 ft; minimum daily, 1.0 ft3/s,
Sept. 13, 1960.
EXTREMES FOR CURRENT YEAR.-Peak discharges greater than base discharge of 50 ft3/s, or maximum:
Discharge Gage height Discharge Gage height
Date Time (ft3/s) (ft) Date Time (ft3/s) (ft)
Nov. 18 0215 61 2.78 Jan. 1 Unknown 1,230 a5.20
Dec. 5 0545 80 2.95 Mar. 26 1645 60 2.81
Dec. 12 0700 87 3.00 Apr. 23 0330 113 3.21
a From poor high-water mark on gage house.
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 2.7 3.9 e4.5 e800 17 8.8 33 56 24 7.7 3.3 3.1
2 2.8 3.9 e4.6 e750 17 8.8 31 51 22 7.2 3.2 3.2
3 2.8 3.9 4.7 237 16 8.5 31 49 24 6.8 3.1 3.2
4 2.7 3.8 6.6 143 15 e8.5 31 50 36 6.5 3.0 3.2
5 2.7 3.6 45 99 14 8.5 29 49 26 6.2 2.9 3.1
6 2.7 3.4 13 76 14 8.4 27 49 22 5.9 2.9 3.1
7 2.6 3.5 10 66 13 8.7 27 48 20 5.6 2.8 3.2
8 2.6 3.5 12 51 13 9.0 28 48 22 5.5 2.8 3.2
9 2.6 3.6 14 44 13 9.3 27 50 23 5.3 2.8 3.2
10 2.6 3.7 14 39 12 11 25 51 20 5.1 2.8 3.2
11 2.8 3.7 22 37 12 12 25 51 18 5.1 2.9 3.3
12 2.8 3.7 58 34 12 12 24 52 17 5.0 2.9 3.2
13 2.9 3.7 28 34 11 11 26 52 18 4.8 3.0 3.2
14 2.8 3.6 18 e30 11 12 30 51 20 4.6 2.9 3.4
15 2.9 3.7 14 e25 11 14 34 49 18 4.4 2.8 4.2
16 2.9 3.6 12 18 11 15 38 47 16 4.4 2.9 3.6
17 3.0 22 11 17 11 15 43 46 14 4.3 2.9 3.4
18 3.6 29 9.8 16 10 17 55 45 13 4.3 3.0 3.3
19 3.6 14 9.0 15 10 21 81 43 12 4.2 3.0 4.0
20 3.3 10 8.3 e14 10 26 75 40 11 4.0 3.3 3.7
21 3.2 8.7 e8.3 e13 10 27 90 37 11 3.9 3.0 3.6
22 3.3 13 e8.3 11 9.9 31 77 35 10 3.8 2.7 3.5
23 3.3 8.6 e8.3 e11 9.7 34 90 37 9.8 3.8 2.8 3.4
24 3.6 7.3 e8.3 12 9.3 37 70 33 9.3 3.9 3.0 3.4
25 4.0 6.5 e8.3 e14 9.2 37 65 30 8.8 3.9 3.1 3.5
26 3.7 5.8 e8.3 e15 9.4 44 65 27 8.3 3.8 3.1 3.5
27 3.6 5.2 e8.5 16 9.3 47 74 25 7.8 3.7 3.0 3.5
28 3.6 5.2 e8.5 16 9.0 44 69 24 7.5 3.9 3.0 3.5
29 3.8 4.7 22 18 --- 41 63 24 7.4 3.8 3.0 3.5
30 3.9 4.5 53 18 --- 42 59 23 8.0 3.4 3.0 3.5
31 3.9 --- 139 17 --- 38 --- 23 --- 3.3 3.0 ---
TOTAL 97.3 203.3 599.3 2706 328.8 666.5 1442 1295 483.9 148.1 91.9 101.9
MEAN 3.14 6.78 19.3 87.3 11.7 21.5 48.1 41.8 16.1 4.78 2.96 3.40
MAX 4.0 29 139 800 17 47 90 56 36 7.7 3.3 4.2
MIN 2.6 3.4 4.5 11 9.0 8.4 24 23 7.4 3.3 2.7 3.1
AC-FT 193 403 1190 5370 652 1320 2860 2570 960 294 182 202
e Estimated.
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1954 - 1997, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 3.44 5.11 7.39 8.89 8.41 10.8 24.7 43.6 25.1 7.23 3.11 2.70
MAX 11.9 27.7 44.0 87.3 51.0 50.1 51.6 117 142 37.4 11.8 7.56
(WY) 1963 1984 1965 1997 1963 1986 1986 1969 1983 1983 1983 1983
MIN 1.46 1.83 2.03 1.81 2.54 2.74 6.13 3.45 1.82 1.36 1.20 1.11
(WY) 1995 1993 1977 1962 1994 1962 1975 1988 1992 1994 1994 1960
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1954 - 1997
ANNUAL TOTAL 6969.8 8164.0
ANNUAL MEAN 19.0 22.4 12.6
HIGHEST ANNUAL MEAN 30.0 1983
LOWEST ANNUAL MEAN 2.65 1977
HIGHEST DAILY MEAN 263 May 16 800 Jan 1 800 Jan 1 1997
LOWEST DAILY MEAN 2.5 Aug 31 2.6 Oct 7 1.0 Sep 13 1960
ANNUAL SEVEN-DAY MINIMUM 2.5 Aug 30 2.6 Oct 4 1.1 Sep 9 1960
INSTANTANEOUS PEAK FLOW 1230 Jan 1 1230 Jan 1 1997
INSTANTANEOUS PEAK STAGE 5.20 Jan 1 5.20 Jan 1 1997
ANNUAL RUNOFF (AC-FT) 13820 16190 9090
10 PERCENT EXCEEDS 54 49 33
50 PERCENT EXCEEDS 8.3 9.4 4.4
90 PERCENT EXCEEDS 2.8 3.0 1.9
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Last modified: Wed Mar 10 14:07:08 PST 1999