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 except for estimated daily discharges, which are poor.  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)
  	Feb. 14	1945	106	6.57

                  DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998

                                               DAILY MEAN VALUES
 
DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
 
  1       .83      .47      1.2     e1.2      1.7     11         12       32       54    e28        7.2      3.7
  2       .77      .45      1.2     e1.1      1.7     10         12       33       56    e26        7.0      3.2
  3       .72      .45      1.1     e1.2      2.6     10         12       36      e58     25        6.7      3.2
  4       .67      .44     e1.1     e1.2      3.1      9.9       12       38      e56     23        6.3      3.4
  5       .66      .44     e1.2     e1.2      2.2      9.5       11       46      e53     22        6.1      3.6
 
  6       .64      .44     e1.3     e1.3      3.7      9.5       11       46      e54     21        6.2      3.2
  7       .64      .45     e2.9     e1.3      6.2      8.7       11       39      e55     21        6.1      2.9
  8       .69      .46     e7.5      1.2     19        8.2       11       37      e54     20        6.0      3.2
  9       .69      .51     e3.6      1.4     10        8.0       11       39      e53     19        7.1      3.0
 10       .66      .51     e2.9      5.4      7.4      7.8       12       40      e49     18        9.8      2.6
 
 11       .58      .55     e2.5      3.7      6.1      7.8       12       40      e46     16        8.4      2.4
 12       .58      .62     e2.5      2.6      5.1      8.0       12       41      e47     15        7.3      2.2
 13       .63      .61     e2.1      2.2      4.7      8.3       12       37      e48     15        6.6      2.0
 14       .59     1.0      e1.7      2.1     25        9.0       12       33      e46     14        6.3      1.9
 15       .56      .85     e1.4      2.0     31        8.2       11       33      e46     13        5.9      1.8
 
 16       .54      .75     e1.3      2.0     16        8.4       11       34      e46     13        5.5      1.7
 17       .50      .69     e1.2      2.0     13        8.9       11       33      e45     12        5.2      1.7
 18       .50      .66     e1.1      2.0     10        9.5       11       35      e42     12        4.9      1.5
 19       .49      .65     e1.2      1.9      9.0      9.7       12       38      e39     12        4.6      1.5
 20       .48      .65     e1.3      1.8      8.7      9.9       13       40      e37     12        4.3      1.5
 
 21       .50      .63     e1.7      1.8      7.7     10         16       40      e35     11        4.1      1.5
 22       .51      .61     e1.5      1.7     13       11         21       42      e36     11        3.9      1.6
 23       .52      .61     e1.3      1.7     22       13         26       45      e32     11        3.8      1.6
 24       .52      .62     e1.3      1.6     27       16         27       48      e32     10        4.0      1.6
 25       .53      .62     e1.3      1.6     18       18         25       53      e30      9.6      3.9      1.5
 
 26       .53      .62     e1.2      1.6     15       17         21       56      e30      9.1      3.6      1.5
 27       .53      .88     e1.2      1.6     13       14         22       53      e29      8.7      3.3      1.6
 28       .53      .89     e1.1      1.5     12       16         24       55      e29      8.4      3.0      1.6
 29       .51      .87     e1.3      1.6      ---     14         26       54      e28      8.2      2.9      1.6
 30       .50      .96     e1.3      2.0      ---     13         30       52      e28      7.7      2.7      1.5
 31       .50      ---     e1.3      1.8      ---     12        ---       53      ---      7.5      3.4      ---
 
TOTAL   18.10    18.96     54.8     57.3    313.9    334.3      470     1301     1293    459.2    166.1     65.8
MEAN      .58      .63     1.77     1.85     11.2     10.8     15.7     42.0     43.1     14.8     5.36     2.19
MAX       .83      1.0      7.5      5.4       31       18       30       56       58       28      9.8      3.7
MIN       .48      .44      1.1      1.1      1.7      7.8       11       32       28      7.5      2.7      1.5
AC-FT      36       38      109      114      623      663      932     2580     2560      911      329      131
 
    e Estimated.


STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1998, BY WATER YEAR (WY)                                 
 
          OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
MEAN      .57     1.76     3.52     6.31     7.77     8.76     11.3     14.7     7.68     2.47     1.03      .75
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 1997 CALENDAR YEAR        FOR 1998 WATER YEAR           WATER YEARS 1948 - 1998
 
ANNUAL TOTAL                         687.47                    4552.46                                          
ANNUAL MEAN                            1.88                      12.5                        5.53               
HIGHEST ANNUAL MEAN                                                                         32.9            1980
LOWEST ANNUAL MEAN                                                                            .088          1961
  HIGHEST DAILY MEAN                    26     Jan 26              58     Jun  3            1080       Jan 25 1969
  LOWEST DAILY MEAN                       .00  Jul  9                .44  Nov  4                .00    Oct  1 1947
  ANNUAL SEVEN-DAY MINIMUM                .00  Jul  9                .45  Nov  2                .00    Oct  1 1947
  INSTANTANEOUS PEAK FLOW                                         106     Feb 14            2900       Nov 22 1965
  INSTANTANEOUS PEAK STAGE                                          6.57  Feb 14              15.78    Sep  7 1981
ANNUAL RUNOFF (AC-FT)               1360                       9030                       4010                  
10 PERCENT EXCEEDS                     4.3                       39                         12                  
50 PERCENT EXCEEDS                     1.1                        6.2                        1.0                
90 PERCENT EXCEEDS                      .00                        .62                        .00