11242400 NORTH FORK WILLOW CREEK NEAR SUGAR PINE, CA
LOCATION.--Lat 37°23'52", long 119°33'55", in SW 1/4 NE 1/4 sec.21, T.6 S., R.22 E., Madera County, Hydrologic
Unit 18040006, on right bank at road bridge 0.6 mi downstream from Soquel Campground, 3.0 mi upstream from
Chilkoot Creek, and 4.7 mi southeast of Sugar Pine.
DRAINAGE AREA.--16.9 mi2.
PERIOD OF RECORD.--August 1965 to current year.
REVISED RECORDS.--WDR CA-72-2: 1970, 1971. WDR CA-85-3: 1983, 1984(P). WDR CA-93-3: 1992.
GAGE.--Water-stage recorder and crest-stage gage. Elevation of gage is 5,200 ft above sea level, from
topographic map.
REMARKS.--Records good. No storage upstream from station. Madera Irrigation District has water rights to divert
up to 50 ft3/s from North Fork Willow Creek through Soquel Ditch into Nelder Creek (Fresno River basin) from
October through July each year. See schematic diagram of lower San Joaquin River basin.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 2,750 ft3/s, Jan. 13, 1980, gage height, 7.41 ft, from rating
curve extended above 1,100 ft3/s on basis of a step-backwater survey; minimum daily, 0.27 ft3/s, Oct. 4, 1987.
EXTREMES FOR CURRENT YEAR.--Peak discharges greater than base discharge of 100 ft3/s or maximum:
Discharge Gage height Discharge Gage height
Date Time (ft3/s) (ft) Date Time (ft3/s) (ft)
Dec. 12 0215 279 4.34 Feb. 19 2115 492 4.72
Jan. 16 1900 149 3.98 May 16 0530 686 4.97
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 8.0 5.8 4.9 12 30 43 88 135 72 22 8.9 3.5
2 7.7 6.1 4.9 11 22 45 96 132 73 21 8.6 3.5
3 7.3 5.9 4.9 11 20 48 82 124 72 20 8.5 3.5
4 7.1 5.8 6.2 10 88 76 74 115 69 19 8.6 3.4
5 7.0 5.6 6.2 10 182 67 73 111 65 18 8.5 3.5
6 6.9 5.4 5.6 10 82 59 75 111 62 18 8.4 3.6
7 6.7 5.4 5.6 10 59 57 80 110 58 17 7.8 3.4
8 6.5 5.3 5.5 9.9 52 55 84 108 53 16 7.5 3.2
9 6.4 5.3 5.3 9.9 49 58 87 106 49 16 7.2 3.2
10 6.1 5.3 5.1 9.7 46 59 84 109 45 15 7.1 3.1
11 4.8 5.3 20 9.5 44 75 78 117 42 15 6.9 3.0
12 2.2 5.2 112 9.4 44 75 76 123 40 15 6.9 3.0
13 2.1 5.1 32 9.3 43 66 72 122 38 14 6.6 3.4
14 1.9 5.0 20 9.2 42 59 72 113 36 14 6.4 4.0
15 1.8 5.1 16 9.4 42 57 77 150 34 14 6.3 4.0
16 1.7 5.0 13 57 47 60 108 368 32 13 5.8 4.0
17 1.8 4.8 12 45 44 67 105 172 31 13 5.1 4.2
18 1.7 4.8 11 24 41 76 127 167 30 15 4.9 4.0
19 e1.8 4.8 10 22 237 83 91 133 29 14 5.0 3.8
20 e1.9 4.6 10 18 179 85 82 117 27 12 5.0 3.7
21 2.0 4.6 9.6 17 110 85 76 109 26 12 5.0 3.6
22 2.0 4.6 9.5 16 85 83 73 101 25 11 4.8 3.3
23 2.1 4.6 9.6 16 74 73 77 93 25 11 4.5 3.2
24 2.1 4.5 9.3 15 66 66 81 85 24 11 4.4 3.1
25 3.1 4.5 9.1 15 58 63 88 82 29 9.6 4.3 3.1
26 5.6 5.4 9.0 14 53 61 103 82 32 7.5 4.4 3.2
27 5.5 5.2 9.1 16 53 60 111 81 29 7.3 4.3 3.3
28 5.4 5.1 9.3 17 52 87 114 78 26 8.9 4.1 3.1
29 5.4 5.0 11 16 44 69 123 77 25 9.8 3.9 3.1
30 5.3 5.0 16 15 --- 64 129 75 24 9.5 3.7 3.0
31 5.4 --- 14 31 --- 63 --- 72 --- 9.2 3.6 ---
TOTAL 135.3 154.1 425.7 504.3 1988 2044 2686 3678 1222 427.8 187.0 103.0
MEAN 4.36 5.14 13.7 16.3 68.6 65.9 89.5 119 40.7 13.8 6.03 3.43
MAX 8.0 6.1 112 57 237 87 129 368 73 22 8.9 4.2
MIN 1.7 4.5 4.9 9.2 20 43 72 72 24 7.3 3.6 3.0
AC-FT 268 306 844 1000 3940 4050 5330 7300 2420 849 371 204
e Estimated.
11242400 NORTH FORK WILLOW CREEK NEAR SUGAR PINE, CA--Continued
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1965 - 1996, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 4.62 8.92 13.5 24.6 28.6 40.9 50.5 77.2 51.5 16.6 5.73 4.36
MAX 17.8 43.0 69.2 147 178 151 176 228 219 109 26.9 14.3
(WY) 1983 1984 1984 1980 1986 1986 1982 1995 1995 1983 1983 1978
MIN .41 1.63 1.20 1.84 2.07 2.04 1.78 2.40 1.84 .99 .66 .38
(WY) 1978 1977 1977 1977 1977 1977 1977 1977 1977 1977 1977 1977
SUMMARY STATISTICS FOR 1995 CALENDAR YEAR FOR 1996 WATER YEAR WATER YEARS 1965 - 1996
ANNUAL TOTAL 28076.4 13555.2
ANNUAL MEAN 76.9 37.0 27.2
HIGHEST ANNUAL MEAN 82.7 1983
LOWEST ANNUAL MEAN 1.57 1977
HIGHEST DAILY MEAN 528 Mar 10 368 May 16 1360 Jan 13 1980
LOWEST DAILY MEAN 1.7 Oct 16 1.7 Oct 16 .27 Oct 4 1987
ANNUAL SEVEN-DAY MINIMUM 1.8 Oct 14 1.8 Oct 14 .29 Oct 11 1977
INSTANTANEOUS PEAK FLOW 686 May 16 2750 Jan 13 1980
INSTANTANEOUS PEAK STAGE 4.97 May 16 7.41 Jan 13 1980
ANNUAL RUNOFF (AC-FT) 55690 26890 19730
10 PERCENT EXCEEDS 219 94 77
50 PERCENT EXCEEDS 32 15 7.8
90 PERCENT EXCEEDS 5.2 3.6 1.8
USGS Water Resources of California
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