1999 California Hydrologic Data Report
10255810 BORREGO PALM CREEK NEAR BORREGO SPRINGS, CA - 1999 WY


                             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)
  	Apr. 5	0115	2.8	2.41		 		

                  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       .00      .00      .80      .79     1.0       .87     1.1       .95      .02      .00      .00      .00
  2       .00      .00      .74      .82      .96      .88     1.2       .75      .02      .00      .00      .00
  3       .00      .00      .78      .81      .93      .83     1.5       .75      .02      .00      .00      .00
  4       .00      .00      .80      .86     1.2       .82     1.8       .79      .02      .00      .00      .00
  5       .00      .00      .87      .86     1.8       .83     1.9       .63      .02      .00      .00      .00
 
  6       .00      .00     1.5       .86     1.3       .81     1.3       .52      .02      .00      .00      .00
  7       .00      .00     1.2       .90     1.1       .91     1.7       .42      .02      .00      .00      .00
  8       .00      .00      .96      .83     1.1      1.0      1.9       .35      .01      .00      .00      .00
  9       .00      .00      .89      .83     1.0       .96     1.6       .33      .01      .00      .00      .00
 10       .00      .00      .82      .84     1.0       .92     1.3       .32      .01      .00      .00      .00
 
 11       .00      .00      .82      .86      .90      .96     1.1       .28      .02      .00      .00      .00
 12       .00      .00      .83      .91      .88      .95     1.4       .26      .02      .00      .00      .00
 13       .00      .00      .82      .91      .87      .87     1.2       .22      .02      .00      .00      .00
 14       .00      .00      .84      .96      .86      .86      .94      .19      .01      .00      .00      .00
 15       .00      .00      .83     1.0       .89      .95      .77      .17      .01      .00      .00      .00
 
 16       .00      .00      .83      .94      .92     1.3       .69      .15      .01      .00      .00      .00
 17       .00      .00      .81      .99      .95     1.1       .63      .13      .01      .00      .00      .00
 18       .00      .00      .80     1.0       .95      .95      .56      .11      .01      .00      .00      .00
 19       .00      .21      .77     1.0       .91      .85      .50      .11      .00      .00      .00      .00
 20       .00      .35      .86     1.1       .91      .80      .46      .09      .00      .00      .00      .00
 
 21       .00      .39      .88     1.1       .91      .79      .44      .08      .00      .00      .00      .00
 22       .00      .46      .93     1.1       .94      .73      .55      .07      .00      .00      .00      .00
 23       .00      .48      .91     1.1      1.0       .76      .68      .06      .00      .00      .00      .00
 24       .00      .51      .86     1.1       .95      .75      .78      .06      .00      .00      .00      .00
 25       .00      .52      .85     1.1       .94      .76      .72      .05      .00      .00      .00      .00
 
 26       .00      .55      .86     1.2       .94      .75      .57      .05      .00      .00      .00      .00
 27       .00      .56      .87     1.3       .93      .74      .46      .04      .00      .00      .00      .00
 28       .00      .62      .84     1.2       .88      .69      .53      .04      .00      .00      .00      .00
 29       .00      .96      .84     1.1       ---      .64     1.1       .03      .00      .00      .00      .00
 30       .00      .91      .83     1.1       ---      .60     1.1       .03      .00      .00      .00      .00
 31       .00      ---      .82     1.0       ---      .67      ---      .03      ---      .00      .00      ---
 
TOTAL    0.00     6.52    27.06    30.47    27.92    26.30    30.48     8.06     0.28     0.00     0.00     0.00
MEAN     .000      .22      .87      .98     1.00      .85     1.02      .26     .009     .000     .000     .000
MAX       .00      .96      1.5      1.3      1.8      1.3      1.9      .95      .02      .00      .00      .00
MIN       .00      .00      .74      .79      .86      .60      .44      .03      .00      .00      .00      .00
AC-FT     .00       13       54       60       55       52       60       16       .6      .00      .00      .00


STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1999, BY WATER YEAR (WY) OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP MEAN .17 .34 .81 1.74 2.93 3.12 1.69 .71 .24 .20 .47 .15 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 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1951 - 1999 ANNUAL TOTAL 777.98 157.09 ANNUAL MEAN 2.13 .43 1.04 HIGHEST ANNUAL MEAN 7.61 1980 LOWEST ANNUAL MEAN .009 1972 HIGHEST DAILY MEAN 31 Feb 15 1.9 Apr 5 277 Aug 16 1979 LOWEST DAILY MEAN .00 Jul 15 .00 Oct 1 .00 Oct 1 1950 ANNUAL SEVEN-DAY MINIMUM .00 Jul 15 .00 Oct 1 .00 Oct 1 1950 INSTANTANEOUS PEAK FLOW 2.8 Apr 5 2640 Aug 16 1979 INSTANTANEOUS PEAK STAGE 2.41 Apr 5 9.80 Aug 16 1979 ANNUAL RUNOFF (AC-FT) 1540 312 752 10 PERCENT EXCEEDS 6.1 1.0 2.1 50 PERCENT EXCEEDS .74 .09 .10 90 PERCENT EXCEEDS .00 .00 .00


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