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 good.  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 1996 TO SEPTEMBER 1997

                                               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     4.7       .00      .00      .00      .00      .00      .00      .00      .00      .00
 10       .00      .00      .17      .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     1.5       .00      .00      .00      .00      .00      .00      .00      .00
 13       .00      .00      .00     5.1       .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      .70      .00      .00      .00      .00      .00      .00      .00      .00
 16       .00      .00      .00      .09      .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      .01      .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      .69      .00      .00      .00      .00      .00      .00      .00      .05      .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    25   
 26       .00      .00      .00     1.7       .00      .00      .00      .00      .00      .00      .00     2.9 
 27       .00      .00      .00     1.7       .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     0.69     4.87    10.79     0.01     0.00     0.00     0.00     0.00     0.05     0.00    27.90
MEAN     .000     .023      .16      .35     .000     .000     .000     .000     .000     .002     .000      .93
MAX       .00      .69      4.7      5.1      .01      .00      .00      .00      .00      .05      .00       25
MIN       .00      .00      .00      .00      .00      .00      .00      .00      .00      .00      .00      .00
AC-FT     .00      1.4      9.7       21      .02      .00      .00      .00      .00       .1      .00       55



STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1988 - 1997, BY WATER YEAR (WY)                                 

          OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP

MEAN     .000     .002     .061     22.8     4.25     10.9      .38      .33     .000     .052      .50      .32
MAX      .000     .023      .45      202     35.3     93.3     3.81     2.26     .001      .52     1.77     2.23
(WY)     1988     1997     1993     1993     1993     1995     1993     1993     1993     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 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1988 - 1997

ANNUAL TOTAL                           8.69                      44.31                                          
ANNUAL MEAN                             .024                       .12                       3.32               
HIGHEST ANNUAL MEAN                                                                         20.4            1993
LOWEST ANNUAL MEAN                                                                            .000          1990
HIGHEST DAILY MEAN                     4.7   Dec  9              25     Sep 25            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                                         231     Sep 25            8280       Jan 16 1993
INSTANTANEOUS PEAK STAGE                                          7.01  Sep 25               8.70    Jan 16 1993
ANNUAL RUNOFF (AC-FT)                 17                         88                       2410                  
10 PERCENT EXCEEDS                      .00                        .00                        .00               
50 PERCENT EXCEEDS                      .00                        .00                        .00               
90 PERCENT EXCEEDS                      .00                        .00                        .00