10254050 SALT CREEK NEAR MECCA, CA
LOCATION.-Lat 33°26'49", long 115°50'33", in SE 1/4 SW 1/4 sec.28, T.8 S., R.11 E., Riverside County, Hydrologic Unit 18100200, on pier
of Southern Pacific railroad bridge, 0.3 mi upstream from mouth, and 16 mi southeast of Mecca.
DRAINAGE AREA.-269 mi2.
PERIOD OF RECORD.-January 1961 to current year (since October 1990, low-flow records only).
GAGE.-Water-stage recorder. Elevation of gage is 230 ft below sea level, from topographic map. Prior to Dec. 21, 1984, at same site, at datum
2.50 ft lower.
REMARKS.-Records fair above 1 ft3/s and poor below. No regulation or diversion upstream from station. No discharge records computed above
20 ft3/s since October 1990. See schematic diagram of Salton Sea Basin.
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge (January 1961 to September 1990), 9,900 ft3/s, Sept. 24, 1976, gage height,
16.8 ft, present datum, from floodmarks, from rating curve extended above 20 ft3/s on basis of contracted-opening measurement of peak flow;
maximum gage height, 19.4 ft, present datum, Mar. 2, 1983 (backwater from Salton Sea and channel vegetation); no flow for many days since
1994.
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 .00 .00 .72 2.1 1.8 1.9 .75 .00 .00 .00 .00 .00
2 .00 .00 .86 2.1 2.0 1.8 .85 .00 .00 .00 .00 .00
3 .00 .00 1.2 2.2 2.2 1.8 .97 .00 .00 .00 .00 .00
4 .00 .00 1.1 2.2 2.2 2.0 .96 .00 .00 .00 .00 .00
5 .00 .10 .97 2.0 2.2 2.0 1.1 .00 .00 .00 .00 .00
6 .00 .25 .99 2.1 2.1 1.7 1.1 .00 .00 .00 .00 .00
7 .00 .26 1.1 2.0 1.9 1.6 .96 .00 .00 .00 .00 .00
8 .00 .10 1.1 1.6 1.7 1.8 .87 .00 .00 .00 .00 .00
9 .00 .09 1.2 1.3 1.9 1.8 1.1 .00 .00 .00 .00 .00
10 .00 .24 1.4 1.5 2.0 1.7 1.0 .00 .00 .00 .00 .00
11 .00 .33 1.5 1.7 2.1 1.7 .78 .00 .00 .00 .00 .00
12 .00 .37 1.3 2.0 2.1 1.6 .63 .00 .00 .00 .00 .00
13 .00 .41 1.3 2.3 1.9 1.6 .59 .00 .00 .00 .00 .00
14 .00 .51 1.4 3.0 1.7 1.6 .53 .00 .00 .00 .00 .00
15 .00 .58 1.2 2.5 1.5 1.6 .51 .00 .00 .00 .00 .00
16 .00 .64 .90 2.2 1.6 1.5 .50 .00 .00 .00 .00 .00
17 .00 .62 .73 2.5 1.9 1.5 .38 .00 .00 .00 .00 .00
18 .00 .65 1.1 2.4 2.0 1.6 .37 .00 .00 .00 .00 .00
19 .00 .74 1.1 2.3 1.9 1.4 .35 .00 .00 .00 .00 .00
20 .00 .79 1.3 2.3 1.8 1.3 .31 .00 .00 .00 .00 .00
21 .00 .71 1.6 2.3 1.7 1.2 .26 .00 .00 .00 .00 .00
22 .00 .71 1.8 2.2 1.6 1.1 .20 .00 .00 .00 .00 .00
23 .00 1.2 1.8 2.0 1.5 1.0 .13 .00 .00 .00 .00 .00
24 .00 .96 1.8 2.2 1.7 1.0 .06 .00 .00 .00 .00 .00
25 .00 .81 1.7 2.6 1.6 1.0 .01 .00 .00 .00 .00 ---
26 .00 .94 1.8 2.2 1.4 .93 .00 .00 .00 .00 .00 e.26
27 .00 .91 1.8 2.3 1.6 .95 .00 .00 .00 .00 .00 .01
28 .00 .67 1.9 2.2 1.8 .90 .00 .00 .00 .00 .00 .00
29 .00 .63 1.9 2.3 --- .87 .00 .00 .00 .00 .00 .00
30 .00 .81 1.9 2.3 --- .87 .00 .00 .00 .00 .00 .02
31 .00 --- 2.0 1.9 --- .80 --- .00 --- .00 .00 ---
TOTAL 0.00 15.03 42.47 66.8 51.4 44.12 15.27 0.00 0.00 0.00 0.00 ---
MEAN .000 .50 1.37 2.15 1.84 1.42 .51 .000 .000 .000 .000 ---
MAX .00 1.2 2.0 3.0 2.2 2.0 1.1 .00 .00 .00 .00 ---
MIN .00 .00 .72 1.3 1.4 .80 .00 .00 .00 .00 .00 ---
AC-FT .00 30 84 132 102 88 30 .00 .00 .00 .00 ---
e Estimated.
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1962 - 1990, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN 5.61 7.45 8.05 9.86 11.6 13.5 5.56 3.86 2.85 3.40 5.05 7.02
MAX 12.6 22.1 14.8 18.8 45.5 137 11.9 12.7 7.50 21.0 55.6 76.5
(WY) 1964 1981 1966 1977 1980 1983 1980 1980 1975 1986 1983 1976
MIN 1.55 1.05 1.59 4.13 4.26 3.79 2.37 1.49 .86 .41 .70 .59
(WY) 1990 1979 1979 1990 1990 1990 1986 1986 1989 1989 1989 1978
SUMMARY STATISTICS WATER YEARS 1962 - 1990
ANNUAL MEAN 6.97
HIGHEST ANNUAL MEAN 23.7
LOWEST ANNUAL MEAN 2.57 1989
HIGHEST DAILY MEAN 2830 Mar 2 1983
LOWEST DAILY MEAN .06 Nov 1 1978
ANNUAL SEVEN-DAY MINIMUM .07 Oct 30 1978
INSTANTANEOUS PEAK FLOW 9900 Sep 24 1976
INSTANTANEOUS PEAK STAGE 16.80 Sep 24 1976
ANNUAL RUNOFF (AC-FT) 5050
10 PERCENT EXCEEDS 10
50 PERCENT EXCEEDS 4.6
90 PERCENT EXCEEDS 1.3
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Last modified: Wed Mar 10 14:06:09 PST 1999