10262500 MOJAVE RIVER AT BARSTOW, CA
LOCATION.-Lat 34°54'25", long 117°01'19", in SW 1/4 SE 1/4 sec.31, T.10 N., R.1 W., San Bernardino
County, Hydrologic Unit 18090208, on left bank, 75 ft upstream from bridge on U.S. Highway 91, at Barstow.
DRAINAGE AREA.-1,291 mi2.
PERIOD OF RECORD.-October 1930 to current year.
REVISED RECORDS.-WSP 1564: 1932.
GAGE.-Water-stage recorder. Datum of gage is 2,089.34 ft above sea level.
REMARKS.-Flow regulated by Mojave River Forks Reservoir, capacity, 89,700 acre-ft, since 1971, 60 mi upstream;
Silverwood Lake, capacity, 78,000 acre-ft, since 1971, and Lake Arrowhead, capacity, 48,000 acre-ft, since 1922.
Some water is imported into basin. Diversions and pumping for irrigation of about 15,000 acres upstream from
station. See schematic diagram of Mojave River Basin.
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge, 64,300 ft3/s, Mar. 3, 1938, gage height, 8.60 ft, on
basis of slope-area measurement of peak flow; no flow for all or most of each year.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
2 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
3 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
4 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
5 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
6 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
7 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
8 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
9 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
10 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
11 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
12 .00 .00 .00 .00 .00 .00 e.17 .00 .00 .00 .00 .00
13 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
14 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
15 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
16 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
17 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
18 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
19 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
20 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
21 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
22 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
23 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
24 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
25 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
26 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
27 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
28 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
29 .00 .00 .00 .00 --- .00 .00 .00 .00 .00 .00 .00
30 .00 .00 .00 .00 --- .00 .00 .00 .00 .00 .00 .00
31 .00 --- .00 .00 --- .00 --- .00 --- .00 .00 ---
TOTAL 0.00 0.00 0.00 0.00 0.00 0.00 0.17 0.00 0.00 0.00 0.00 0.00
MEAN .000 .000 .000 .000 .000 .000 .006 .000 .000 .000 .000 .000
MAX .00 .00 .00 .00 .00 .00 .17 .00 .00 .00 .00 .00
MIN .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00
AC-FT .00 .00 .00 .00 .00 .00 .3 .00 .00 .00 .00 .00
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1931 - 1999, BY WATER YEAR (WY)
MEAN .001 .36 3.41 25.1 97.0 113 41.2 5.44 .001 .004 .021 .017
MAX .061 20.2 116 747 1640 1962 547 93.5 .080 .090 1.31 .71
(WY) 1959 1966 1967 1969 1993 1938 1941 1941 1972 1958 1979 1984
MIN .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000
(WY) 1931 1931 1931 1931 1931 1931 1931 1931 1931 1931 1931 1931
SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1931 - 1999
ANNUAL TOTAL 5300.00 0.17
ANNUAL MEAN 14.5 .000 23.4
HIGHEST ANNUAL MEAN 202 1969
LOWEST ANNUAL MEAN .000 1931
HIGHEST DAILY MEAN 4100 Feb 24 .17 Apr 12 18100 Mar 3
1938
LOWEST DAILY MEAN .00 Jan 1 .00 Oct 1 .00 Oct 1
1930
ANNUAL SEVEN-DAY MINIMUM .00 Jan 1 .00 Oct 1 .00 Oct 1
1930
INSTANTANEOUS PEAK FLOW 4.0 Apr 12 64300 Mar 3
1938
INSTANTANEOUS PEAK STAGE 8.60 Mar 3
1938
ANNUAL RUNOFF (AC-FT) 10510 .3 16920
10 PERCENT EXCEEDS .00 .00 .00
50 PERCENT EXCEEDS .00 .00 .00
90 PERCENT EXCEEDS .00 .00 .00
e Estimated.
USGS Water Resources of California
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