10260500 DEEP CREEK NEAR HESPERIA, CA
LOCATION.-Lat 34°20'28", long 117°13'39", in NE 1/4 SE 1/4 sec.18, T.3 N., R.3 W., San Bernardino County, Hydrologic Unit 18090208, on
right bank 0.5 mi upstream from confluence with West Fork Mojave River at Mojave River Forks Dam, 7 mi southeast of Hesperia, and 11 mi
downstream from Lake Arrowhead.
DRAINAGE AREA.-134 mi2.
PERIOD OF RECORD.-October 1904 to September 1922, October 1929 to current year. Prior to January 1930, monthly discharge only, published
in WSP 1314.
REVISED RECORDS.-WSP 1314: 1931(M). WSP 1927: Drainage area.
GAGE.-Water-stage recorder. Broad-crested weir since December 1938. Elevation of gage is 3,050 ft above sea level, from topographic map. See
WSP 1314 for history of changes prior to Dec. 10, 1938.
REMARKS.-Records fair except those for estimated daily discharges, which are poor. Slight regulation by Lake Arrowhead, capacity,
48,000 acre-ft, principally used for recreation. Sewage effulent from Lake Arrowhead area is released above gage at times. See schematic
diagram of Mojave River Basin.
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge, 46,600 ft3/s, Mar. 2, 1938, gage height unknown, on basis of slope-area
measurement of peak flow; maximum gage height, 23.81 ft, Feb. 10, 1978 (backwater from Mojave River Forks Reservoir); no flow
July 17, 18, 1961.
EXTREMES FOR CURRENT YEAR.-Peak discharges greater than base discharge of 400 ft3/s, or maximum:
Discharge Gage height Discharge Gage height
Date Time (ft3/s) (ft) Date Time (ft3/s) (ft)
Nov. 22 1000 498 3.34 Jan. 3 1045 433 2.96
Dec. 10 0215 2,410 4.59 Jan. 26 0945 5,000 6.23
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 e1.5 12 11 37 94 36 21 8.4 e3.2 e1.4 e.70 e.56
2 e1.5 8.2 10 39 85 32 20 8.3 e3.1 e1.4 e.66 e.56
3 e1.5 7.5 9.7 227 76 32 20 8.7 e3.1 e1.4 e.64 e.62
4 e1.5 6.9 9.6 148 70 31 22 9.2 e3.1 e1.4 e.62 e.72
5 e1.5 6.4 9.4 73 66 30 21 8.9 e3.1 e1.4 e.60 e.94
6 e1.4 6.0 9.3 58 61 29 21 e8.6 e3.1 e1.4 e.59 e.94
7 e1.4 5.8 9.3 43 55 29 19 e8.2 e3.1 e1.4 e.58 e.94
8 e1.4 5.7 9.2 37 51 28 18 e7.8 e3.1 e1.4 e.57 e.95
9 e1.4 6.0 11 34 48 28 18 e7.4 e3.1 e1.4 e.57 e.95
10 e1.4 6.1 566 31 46 29 18 e7.1 e3.1 e1.3 e.56 e.95
11 e1.4 6.2 145 30 44 30 17 e6.8 e3.1 e1.3 e.56 e.95
12 e1.4 6.2 82 29 42 30 16 e6.5 e3.1 e1.3 e.55 e.96
13 e1.5 6.2 52 36 40 30 15 e6.2 e3.1 e1.3 e.55 e.96
14 e1.5 6.0 37 35 38 30 15 e5.9 e3.1 e1.3 e.54 e.97
15 e1.6 6.0 30 36 37 29 14 e5.7 3.1 e1.2 e.54 e.98
16 e1.6 6.1 26 48 36 29 13 e5.4 3.0 e1.2 e.54 e.99
17 e1.6 6.4 24 40 38 29 11 e5.2 3.0 e1.2 e.54 e1.0
18 e1.7 6.4 22 40 40 28 9.9 e5.0 2.9 e1.2 e.54 e1.0
19 e1.8 6.4 20 41 39 28 9.3 e4.8 2.8 e1.1 e.54 e1.0
20 e1.9 6.4 19 48 38 27 9.3 e4.6 2.6 e1.1 e.54 e1.1
21 e2.0 6.9 18 59 38 26 9.0 e4.5 2.4 e1.1 e.55 e1.1
22 e2.1 209 58 52 36 26 8.7 e4.3 2.2 e1.0 e.55 e1.1
23 e2.2 105 114 98 34 25 8.5 e4.1 2.1 e1.0 e.55 e1.1
24 e2.3 42 47 141 32 25 8.4 e4.0 1.9 e.98 e.55 e1.1
25 e2.4 28 34 97 30 24 8.3 e3.9 1.8 e.95 e.55 2.0
26 e2.5 22 29 2480 29 23 8.2 e3.7 1.7 e.92 e.55 2.8
27 e2.6 18 27 689 30 23 8.3 e3.6 e1.6 e.88 e.55 2.8
28 e3.4 16 60 244 44 23 8.5 e3.5 e1.5 e.84 e.55 3.2
29 4.8 13 55 161 --- 22 8.6 e3.4 e1.5 e.80 e.56 2.7
30 4.9 12 39 128 --- 21 8.4 e3.3 e1.5 e.76 e.56 2.3
31 22 --- 36 106 --- 21 --- e3.2 --- e.73 e.56 ---
TOTAL 81.7 604.8 1628.5 5365 1317 853 412.4 180.2 79.1 36.06 17.61 38.24
MEAN 2.64 20.2 52.5 173 47.0 27.5 13.7 5.81 2.64 1.16 .57 1.27
MAX 22 209 566 2480 94 36 22 9.2 3.2 1.4 .70 3.2
MIN 1.4 5.7 9.2 29 29 21 8.2 3.2 1.5 .73 .54 .56
AC-FT 162 1200 3230 10640 2610 1690 818 357 157 72 35 76
e Estimated.
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1905 - 1997, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 5.25 19.7 57.0 137 209 218 144 61.8 17.3 5.61 3.19 3.58
MAX 42.0 606 843 2062 2028 1539 747 248 67.0 25.9 29.2 54.3
(WY) 1984 1966 1922 1993 1993 1978 1958 1915 1922 1969 1983 1976
MIN .23 1.14 2.53 4.56 6.07 4.87 3.20 2.37 1.14 .14 .13 .10
(WY) 1934 1957 1905 1951 1951 1956 1951 1934 1956 1961 1933 1933
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1905 - 1997
ANNUAL TOTAL 15077.25 10613.61
ANNUAL MEAN 41.2 29.1 72.7
HIGHEST ANNUAL MEAN 411 1993
LOWEST ANNUAL MEAN 3.06 1951
HIGHEST DAILY MEAN 3910 Feb 21 2480 Jan 26 14700 Jan 25 1969
LOWEST DAILY MEAN .83 Sep 1 .54 Aug 14 .00 Jul 17 1961
ANNUAL SEVEN-DAY MINIMUM .83 Aug 29 .54 Aug 14 .07 Jul 12 1961
INSTANTANEOUS PEAK FLOW 5000 Jan 26 46600 Mar 2 1938
INSTANTANEOUS PEAK STAGE 6.23 Jan 26 23.81 Feb 10 1978
ANNUAL RUNOFF (AC-FT) 29910 21050 52690
10 PERCENT EXCEEDS 60 47 141
50 PERCENT EXCEEDS 9.8 6.4 10
90 PERCENT EXCEEDS 1.0 .75 .98
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