10255810 BORREGO PALM CREEK NEAR BORREGO SPRINGS, CA

LOCATION.-Lat 33°16'44", long 116°25'45", in Anza-Borrego Desert State Park, San Diego County, Hydrologic Unit 18100200, on left bank 3.3 mi northwest of Borrego Springs. 
DRAINAGE AREA.-21.8 mi2. 
PERIOD OF RECORD.-October 1950 to September 1993, October 1994 to current year.  Prior to October 1960, published as Palm Canyon Creek near Borrego Springs.  Monthly discharge only for October to November 1950, published in WSP 1734. 
REVISED RECORDS.-WSP 2128: Drainage area. 
GAGE.-Water-stage recorder.  Elevation of gage is 1,200 ft above sea level, from topographic map. 
REMARKS.-Records fair.  No regulation or diversion upstream from station.  See schematic diagram of Salton Sea Basin. 
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge, 2,640 ft3/s, Aug. 16, 1979, gage height, 9.8 ft, from floodmarks, on basis of slope-area measurement of peak flow; no flow for many days in most years. 
EXTREMES FOR CURRENT YEAR.-Peak discharges greater than base discharge of 15 ft3/s, or maximum, from rating curve extended above         72 ft3/s on basis of slope-area measurements at gage heights 7.50 and 9.80 ft:
  			Discharge	Gage height			Discharge	Gage height
  	Date	Time	(ft3/s)	(ft)	Date	Time	(ft3/s)	(ft)
  	Feb.  8	0845	47	3.12	Feb. 24	 0830	26	3.03
  	Feb. 14	2215	154	3.67	Mar. 28	1200	44	3.15

                  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      .98      .60      .71      6.0     15        2.3     1.3       .20      .00      .00
  2       .00      .00      .87      .60      .71      5.2     14        2.3     1.2       .18      .00      .00
  3       .00      .00      .75      .62     1.7       4.6     15        2.3     1.5       .16      .00      .00
  4       .00      .00      .65      .72     4.1       3.9     15        2.3     1.5       .15      .00      .00
  5       .00      .00      .65      .79     3.1       3.4     13        2.7     1.3       .14      .00      .00
 
  6       .00      .00     1.1       .70     2.9       3.6     13        3.5     1.2       .12      .00      .00
  7       .00      .00     1.6       .66     6.7       3.2     16        3.0     1.5       .12      .00      .00
  8       .00      .00     3.9       .66    21         2.8     13        2.6     1.6       .11      .00      .00
  9       .00      .00     2.4       .96    18         2.6     11        2.5     1.4       .09      .00      .00
 10       .00      .03     1.5      5.3      7.3       2.4      9.7      2.4     1.3       .05      .00      .00
 
 11       .00      .09     1.1      2.8      4.0       2.2      8.9      2.3     1.3       .04      .00      .00
 12       .00      .13      .92     1.8      2.6       2.1     12        2.7     1.3       .03      .00      .00
 13       .00      .18      .84     1.4      2.0       2.0      9.2      6.4     1.3       .02      .00      .00
 14       .00      .21      .76     1.2     17         2.4      8.8      4.9     1.1       .02      .00      .00
 15       .00      .25      .75     1.1     31         2.2      8.5      3.6      .91      .00      .00      .00
 
 16       .00      .30      .72     1.0      9.5       2.0      7.2      3.0      .88      .00      .00      .00
 17       .00      .31      .67      .96     9.4       1.9      6.2      2.7      .93      .00      .00      .00
 18       .00      .34      .66      .82     7.3       1.8      5.2      2.4      .72      .00      .00      .00
 19       .00      .36      .73      .78     5.8       1.7      4.4      2.1      .62      .00      .00      .00
 20       .00      .38      .69      .76     6.1       1.6      4.0      2.1      .62      .00      .00      .00
 
 21       .00      .39      .66      .71     4.5       1.5      3.7      2.0      .55      .00      .00      .00
 22       .00      .40      .75      .70     4.5       1.4      3.4      2.0      .52      .00      .00      .00
 23       .00      .41      .69      .66     5.6       1.3      3.2      1.8      .49      .00      .00      .00
 24       .00      .42      .65      .65    18         1.4      3.2      1.7      .45      .00      .00      .00
 25       .00      .44      .63      .63    13         1.6      3.1      1.7      .42      .00      .00      .00
 
 26       .00      .57      .58      .61    10         4.6      3.0      1.9      .37      .00      .00      .00
 27       .00     3.2       .61      .61     8.4       4.7      2.8      1.7      .33      .00      .00      .00
 28       .00     1.5       .57      .60     7.0      20        2.6      1.6      .27      .00      .00      .00
 29       .00     1.1       .59      .68      ---     15        2.5      1.5      .23      .00      .00      .00
 30       .00     1.0       .62     1.0       ---     12        2.3      1.5      .21      .00      .00      .00
 31       .00      ---      .63      .75      ---     15        ---      1.4      ---      .00      .00      ---
 
TOTAL    0.00    12.01    29.22    31.83   231.92    136.1    238.9     76.9    27.32     1.43     0.00     0.00
MEAN     .000      .40      .94     1.03     8.28     4.39     7.96     2.48      .91     .046     .000     .000
MAX       .00      3.2      3.9      5.3       31       20       16      6.4      1.6      .20      .00      .00
MIN       .00      .00      .57      .60      .71      1.3      2.3      1.4      .21      .00      .00      .00
AC-FT     .00       24       58       63      460      270      474      153       54      2.8      .00      .00


STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1998, BY WATER YEAR (WY)                                 
 
          OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
MEAN      .18      .34      .80     1.75     2.97     3.17     1.71      .72      .25      .20      .48      .16
MAX      2.83     2.97     5.29     27.4     32.5     29.3     11.2     7.55     3.96     4.46     10.6     3.27
(WY)     1984     1984     1984     1993     1980     1983     1980     1980     1980     1979     1979     1983
MIN      .000     .000     .000     .000     .030     .073     .007     .000     .000     .000     .000     .000
(WY)     1951     1951     1963     1972     1972     1972     1972     1961     1954     1952     1951     1951
 
SUMMARY STATISTICS           FOR 1997 CALENDAR YEAR        FOR 1998 WATER YEAR           WATER YEARS 1951 - 1998
 
ANNUAL TOTAL                         149.91                     785.63                                          
ANNUAL MEAN                             .41                       2.15                       1.05               
HIGHEST ANNUAL MEAN                                                                          7.61           1980
LOWEST ANNUAL MEAN                                                                            .009          1972
  HIGHEST DAILY MEAN                     6.2   Jan 13              31     Feb 15             277       Aug 16 1979
  LOWEST DAILY MEAN                       .00  May 16                .00  Oct  1                .00    Oct  1 1950
  ANNUAL SEVEN-DAY MINIMUM                .00  May 16                .00  Oct  1                .00    Oct  1 1950
  INSTANTANEOUS PEAK FLOW                                         154     Feb 14            2640       Aug 16 1979
  INSTANTANEOUS PEAK STAGE                                          3.67  Feb 14               9.80    Aug 16 1979
ANNUAL RUNOFF (AC-FT)                297                       1560                        762                  
10 PERCENT EXCEEDS                     1.0                        6.1                        2.1                
50 PERCENT EXCEEDS                      .08                        .66                        .10               
90 PERCENT EXCEEDS                      .00                        .00                        .00