10259050 PALM CANYON WASH NEAR CATHEDRAL CITY, CA

LOCATION.-Lat 33°47'49", long 116°28'44", in SE 1/4 NE 1/4 sec.29, T.5 S., R.4 E., Riverside County, Hydrologic Unit 18100200, on right bank 500 ft downstream from Golf Club Drive, 0.4 mi upstream from Whitewater River, and 1.5 mi northeast of Cathedral City. 
DRAINAGE AREA.-Not determined. 
PERIOD OF RECORD.-January 1988 to current year. 
GAGE.-Water-stage recorder, crest-stage gage, and concrete control.  Elevation of gage is 330 ft above sea level, from topographic map. 
REMARKS.-Records fair.  No regulation upstream from station.  Two diversions for domestic use upstream from station on Andreas Creek.  See schematic diagram of Salton Sea Basin. 
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge, 8,280 ft3/s, Jan. 16, 1993, gage height, 8.70 ft, from rating curve extended above 1,350 ft3/s; no flow for most of each year. 

                  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       .00      .00      .00      .00      .00      .00      .00      1.7     28       2.2       .00      .00
  2       .00      .00      .00      .00      .00      .00      .00      3.3     39       1.0       .00      .00
  3       .00      .00      .00      .00     4.6       .00      .00      5.0     50        .65      .00      .00
  4       .00      .00      .00      .00      .00      .00      .00     12       39        .33      .00      .00
  5       .00      .00      .00      .00      .00      .00      .00     15       28        .00      .00      .00
  6       .00      .00      .00      .00     2.7       .00      .00     21       30        .00      .00      .00
  7       .00      .00      .00      .00     1.9       .00      .00     14       34        .00      .00      .00
  8       .00      .00      .00      .00   141         .00      .00      9.9     31        .00      .00      .00
  9       .00      .00      .00      .42     6.9       .00      .00     11       28        .00      .00      .00
 10       .00      .00      .00     1.6       .00      .00      .00     19       27        .00      .00      .00
 
 11       .00      .00      .00      .00      .00      .00      .00     23       20        .00      .00      .00
 12       .00      .00      .00      .00      .00      .00      .00     25       25        .00      .00      .00
 13       .00      .00      .00      .00      .00      .00      .00     22       28        .00      .00      .00
 14       .00      .00      .00      .00   255         .00      .00     15       25        .00      .00      .00
 15       .00      .00      .00      .00    92         .00      .00     14       26        .00      .00      .00
 16       .00      .00      .00      .00     1.6       .00      .00     12       26        .00      .00      .00
 17       .00      .00      .00      .00     7.2       .00      .00      9.9     26        .00      .00      .00
 18       .00      .00      .00      .00      .00      .00      .00      8.9     23        .00      .00      .00
 19       .00      .00      .00      .00      .00      .00      .00     11       21        .00      .00      .00
 20       .00      .00      .00      .00      .00      .00      .00     10       19        .00      .00      .00
 
 21       .00      .00      .00      .00      .00      .00      .00     12       15        .00      .00      .00
 22       .00      .00      .00      .00      .00      .00      .00     18       17        .00      .00      .00
 23       .00      .00      .00      .00     2.2       .00      .00     20       11        .00      .00      .00
 24       .00      .00      .00      .00    35         .00      .00     26       11        .00      .00      .00
 25       .00      .00      .00      .00     4.5       .00      .00     24        8.5      .00      .00      .00
 26       .00      .00      .00      .00      .00      .00      .00     29        7.9      .00      .00      .00
 27       .00      .00      .00      .00      .00      .00      .00     29        6.7      .00      .00      .00
 28       .00      .00      .00      .00      .00     3.7       .00     29        5.4      .00      .00      .00
 29       .00      .00      .00      .00      ---      .00      .00     35        3.7      .00      .00      .00
 30       .00      .00      .00      .00      ---      .00      .00     40        3.6      .00      .00      .00
 31       .00      ---      .00      .00      ---      .00      ---     43        ---      .00      .00      ---
 
TOTAL    0.00     0.00     0.00     2.02   554.60     3.70     0.00    567.7    662.8     4.18     0.00     0.00
MEAN     .000     .000     .000     .065     19.8      .12     .000     18.3     22.1      .13     .000     .000
MAX       .00      .00      .00      1.6      255      3.7      .00       43       50      2.2      .00      .00
MIN       .00      .00      .00      .00      .00      .00      .00      1.7      3.6      .00      .00      .00
AC-FT     .00      .00      .00      4.0     1100      7.3      .00     1130     1310      8.3      .00      .00
 


STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1988 - 1998, BY WATER YEAR (WY)                                 
 
          OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
MEAN     .000     .002     .055     20.7     5.65     9.88      .35     1.96     2.01     .060      .45      .29
MAX      .000     .023      .45      202     35.3     93.3     3.81     18.3     22.1      .52     1.77     2.23
(WY)     1988     1997     1993     1993     1993     1995     1993     1998     1998     1991     1989     1995
MIN      .000     .000     .000     .000     .000     .000     .000     .000     .000     .000     .000     .000
(WY)     1988     1988     1988     1988     1989     1988     1988     1988     1988     1988     1990     1988
 
SUMMARY STATISTICS           FOR 1997 CALENDAR YEAR        FOR 1998 WATER YEAR           WATER YEARS 1988 - 1998
 
ANNUAL TOTAL                          38.75                    1795.00                                          
ANNUAL MEAN                             .11                       4.92                       3.47               
HIGHEST ANNUAL MEAN                                                                         20.4            1993
LOWEST ANNUAL MEAN                                                                            .000          1990
  HIGHEST DAILY MEAN                    25     Sep 25             255     Feb 14            1700       Jan 16 1993
  LOWEST DAILY MEAN                       .00  Jan  1                .00  Oct  1                .00    Oct  1 1987
  ANNUAL SEVEN-DAY MINIMUM                .00  Jan  1                .00  Oct  1                .00    Oct  1 1987
  INSTANTANEOUS PEAK FLOW                                        2090     Feb 14            8280       Jan 16 1993
  INSTANTANEOUS PEAK STAGE                                          8.12  Feb 14               8.70    Jan 16 1993
ANNUAL RUNOFF (AC-FT)                 77                       3560                       2510                  
10 PERCENT EXCEEDS                      .00                      19                           .00               
50 PERCENT EXCEEDS                      .00                        .00                        .00               
90 PERCENT EXCEEDS                      .00                        .00                        .00