10258000 TAHQUITZ CREEK NEAR PALM SPRINGS, CA
LOCATION.-Lat 33°48'18", long 116°33'30", in SW 1/4 SW 1/4 sec.22, T.4 S., R.4 E., Riverside County,
Hydrologic Unit 18100200, 2.2 mi southwest of Palm Springs, and 7 mi upstream from mouth.
DRAINAGE AREA.-16.9 mi2.
PERIOD OF RECORD.-October 1947 to September 1982, October 1983 to current year.
REVISED RECORDS.-WSP 1244: 1948, 1951. WDR CA-88-1: Drainage area.
GAGE.-Water-stage recorder. Datum of gage is 762.5 ft above sea level (levels by Riverside County Flood Control
District). Prior to Aug. 25, 1970, at datum 2.00 ft higher.
REMARKS.-Records good. No regulation or diversion upstream from station. See schematic diagram of Salton Sea
Basin.
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge, 2,900 ft3/s, Nov. 22, 1965, Jan. 25, 1969, gage
height, 12.34 ft, from rating curve extended above 70 ft3/s on basis of slope-area measurements at
gage heights 10.45 and 12.34 ft; maximum gage height, 15.78 ft, Sept. 7, 1981, from debris wave produced by
thunderstorm following a brushfire; no flow for parts of most years.
EXTREMES FOR CURRENT YEAR.-Peak discharges greater than base discharge of 85 ft3/s, or maximum, from
rating curve extended above 147 ft3/s on basis of slope-area measurements at gage heights 10.45 and
12.34 ft:
Discharge Gage height Discharge Gage height
Date Time (ft3/s) (ft) Date Time (ft3/s) (ft)
Nov. 9 0130 5.2 3.98
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 1.5 1.3 2.1 1.6 1.5 1.2 .75 1.4 .25 .00 .00 .00
2 1.5 1.3 2.0 1.5 1.4 1.2 .83 1.3 .25 .00 .00 .00
3 1.4 1.2 2.0 1.5 1.4 1.2 .84 1.4 .33 .00 .00 .00
4 1.3 1.3 1.9 1.4 1.7 1.2 .92 1.3 .39 .00 .00 .00
5 1.3 1.3 1.9 1.5 2.0 1.2 .89 1.1 .44 .00 .00 .00
6 1.3 1.3 2.0 1.5 1.7 1.1 1.0 1.0 .42 .00 .00 .00
7 1.3 1.3 1.9 1.4 1.7 1.1 1.1 .93 .38 .00 .00 .00
8 1.2 2.0 2.0 1.4 1.9 1.1 1.1 .88 .34 .00 .00 .00
9 1.1 3.8 2.0 1.4 1.8 1.1 1.0 .85 .31 .00 .00 .00
10 1.1 2.5 1.9 1.4 2.9 1.1 1.0 .81 .29 .00 .00 .00
11 1.1 2.4 1.9 1.4 2.6 1.1 1.0 .76 .27 .00 .00 .00
12 1.0 2.5 1.9 1.4 2.9 1.1 1.2 .72 .25 .03 .00 .00
13 1.0 2.3 1.9 1.3 2.9 1.0 1.1 .69 .22 .01 .00 .00
14 .97 2.2 1.9 1.3 2.9 1.0 1.1 .65 .20 .00 .00 .00
15 1.0 2.2 1.8 1.3 2.8 1.0 1.2 .63 .19 .00 .00 .00
16 1.1 2.0 1.8 1.3 2.7 1.1 1.2 .60 .17 .00 .00 .00
17 1.1 2.0 1.8 1.4 2.8 1.1 1.2 .54 .14 .00 .00 .00
18 1.1 1.9 1.8 1.4 2.6 1.1 1.1 .51 .10 .00 .00 .00
19 1.1 1.9 1.8 1.4 2.2 1.1 1.2 .47 .07 .00 .00 .00
20 1.1 1.9 1.8 1.4 2.1 1.0 1.4 .45 .06 .00 .00 .00
21 1.1 1.9 1.6 1.4 2.0 .98 1.4 .43 .05 .00 .00 .00
22 1.0 1.8 1.6 1.4 1.8 .93 1.3 .43 .06 .00 .00 .00
23 1.1 1.8 1.7 1.3 1.7 .90 1.3 .46 .05 .00 .00 .00
24 1.1 1.7 1.7 1.3 1.4 .89 1.4 .46 .02 .00 .00 .00
25 1.1 1.6 1.8 1.3 1.3 .86 1.3 .42 .01 .00 .00 .00
26 1.4 1.6 1.8 1.4 1.3 .86 1.2 .39 .00 .00 .00 .00
27 1.4 1.6 1.7 1.4 1.3 .85 1.1 .35 .00 .00 .00 .00
28 1.4 1.6 1.6 1.4 1.3 .84 1.0 .31 .00 .00 .00 .00
29 1.4 2.1 1.6 1.4 --- .78 1.3 .29 .00 .00 .00 .00
30 1.4 2.1 1.6 1.4 --- .73 1.4 .27 .00 .00 .00 .00
31 1.4 --- 1.6 1.5 --- .72 --- .25 --- .00 .00 ---
TOTAL 37.37 56.4 56.4 43.4 56.6 31.44 33.83 21.05 5.26 0.04 0.00 0.00
MEAN 1.21 1.88 1.82 1.40 2.02 1.01 1.13 .68 .18 .001 .000 .000
MAX 1.5 3.8 2.1 1.6 2.9 1.2 1.4 1.4 .44 .03 .00 .00
MIN .97 1.2 1.6 1.3 1.3 .72 .75 .25 .00 .00 .00 .00
AC-FT 74 112 112 86 112 62 67 42 10 .08 .00 .00
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1999, BY WATER YEAR (WY)
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
MEAN .58 1.77 3.48 6.22 7.66 8.61 11.1 14.4 7.54 2.42 1.01 .73
MAX 8.64 43.1 72.5 81.3 117 72.0 57.3 78.3 58.0 24.9 6.36 4.88
(WY) 1984 1966 1967 1993 1980 1995 1969 1969 1980 1980 1980 1976
MIN .000 .000 .000 .000 .21 .17 .063 .000 .000 .000 .000 .000
(WY) 1948 1948 1948 1948 1964 1961 1961 1961 1961 1956 1948 1948
SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1948 - 1999
ANNUAL TOTAL 4610.77 341.79
ANNUAL MEAN 12.6 .94 5.44
HIGHEST ANNUAL MEAN 32.9 1980
LOWEST ANNUAL MEAN .088 1961
HIGHEST DAILY MEAN 58 Jun 3 3.8 Nov 9 1080 Jan 25
1969
LOWEST DAILY MEAN .97 Oct 14 .00 Jun 26 .00 Oct 1
1947
ANNUAL SEVEN-DAY MINIMUM 1.0 Oct 9 .00 Jun 26 .00 Oct 1
1947
INSTANTANEOUS PEAK FLOW 5.2 Nov 9 2900 Nov 22
1965
INSTANTANEOUS PEAK STAGE 3.98 Nov 9 15.78 Sep 7
1981
ANNUAL RUNOFF (AC-FT) 9150 678 3940
10 PERCENT EXCEEDS 39 1.9 12
50 PERCENT EXCEEDS 6.2 1.1 1.0
90 PERCENT EXCEEDS 1.3 .00 .00
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