11012500  CAMPO CREEK NEAR CAMPO, CA

LOCATION.--Lat 32°35'28", long 116°31'29", in NE 1/4 SE 1/4 sec.24, T.18 S., R.4 E., San Diego County, Hydrologic
   Unit 18070305, on left bank just upstream from bridge on State Highway 94 and 3.5 mi southwest of Campo.

DRAINAGE AREA.--85.0 mi2, of which 3 mi2 are in Mexico.

PERIOD OF RECORD.--October 1936 to current year.

REVISED RECORDS.--WSP 1635:  1937-38(M), 1940(M).  WSP 1928:  Drainage area.

GAGE.--Water-stage recorder and broad-crested weir.  Datum of gage is 2,178.92 ft above sea level.  Prior to
   Dec. 1, 1954, at datum 1 ft higher.

REMARKS.--Records poor through Mar. 4 and fair thereafter.  Peaks are attenuated by small conservation reservoir
   1 mi upstream since August 1956.  No regulation or diversion upstream from station.

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 1,580 ft3/s, Jan. 16, 1993, gage height, 6.86 ft, from rating
   curve extended above 340 ft3/s; no flow for part of some years.


                  DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996
                                               DAILY MEAN VALUES

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

  1       .54      3.1      4.6      6.0     21      e12        8.4     1.8       .47      .32      .02      .00
  2       .52      3.4      4.6      5.6     14      e11        8.3     1.7       .36      .20      .03      .00
  3       .54      3.5      4.7      5.7      8.5    e10        8.3     1.7       .32      .27      .04      .01
  4       .57      3.5      4.7      6.0      7.6     e9.8      8.2     1.7       .32      .22      .06      .02
  5       .58      3.5      4.8      6.2      7.6     12        8.2     1.6       .33      .18      .08      .02

  6       .62      3.6      5.2      6.1      7.7     12        6.9     1.5       .30      .17      .07      .02
  7       .67      3.6      5.2      5.7      7.6     11        6.4     1.4       .29      .19      .08      .02
  8       .75      3.5      5.2      5.8      7.6      9.2      6.0     1.4       .28      .19      .07      .02
  9       .82      3.6      5.0      5.9      7.5      8.2      5.7     1.3       .25      .17      .04      .02
 10       .81      3.8      4.9      6.0      7.6      8.2      6.0     1.3       .25      .24      .02      .01

 11       .88      3.7      5.0      5.8      7.6      7.9      6.4     1.0       .24      .24      .03      .01
 12       .96      3.7      5.0      5.6      7.4      8.9      6.0      .72      .28      .20      .02      .01
 13       .94      3.7      5.4      5.6      7.7     55        5.5      .57      .27      .19      .02      .04
 14       .98      3.7      6.5      5.9      7.3     79        4.9      .51      .28      .18      .01      .06
 15      1.0       3.8      6.1      5.9      7.1     33        4.4      .48      .29      .16      .01      .07

 16      1.2       3.8      6.0      6.1      6.9     21        4.2      .46      .26      .17      .02      .08
 17      1.3       3.7      5.8      6.6      6.8     16        4.2      .59      .24      .19      .03      .08
 18      1.3       3.7      5.7      6.4      6.8     13        5.6      .58      .23      .17      .03      .08
 19      1.4       3.8      5.8      6.3      6.9     11        5.7      .50      .22      .13      .03      .07
 20      1.5       3.8      6.2      6.7      6.9     10        4.6      .46      .23      .11      .03      .07

 21      1.6       3.9      6.2      6.6      6.9      9.7      4.2      .48      .26      .09      .02      .06
 22      1.7       4.1      6.0     13        7.7      9.6      3.9      .48      .27      .07      .01      .07
 23      1.7       4.2      6.2     13        6.7      9.4      3.6      .51      .27      .10      .01      .08
 24      1.8       4.2      6.9      8.5      6.3      9.2      3.2      .61      .27      .10      .04      .07
 25      1.9       4.1      6.5      8.0     15        9.0      3.0      .67      .28      .09      .05      .10

 26      2.1       4.3      6.2      9.5     65        8.9      2.8      .49      .33      .07      .02      .13
 27      2.1       4.6      6.0      7.9    e25        8.6      2.5      .50      .38      .06      .01      .09
 28      2.3       4.5      5.9      7.2    e15        8.8      2.4      .50      .36      .06      .01      .08
 29      2.4       4.5      6.0      7.4    e13       11        2.0      .51      .30      .06      .01      .07
 30      2.6       4.6      6.1      7.1      ---      9.8      1.8      .50      .24      .04      .00      .03
 31      2.8       ---      6.2      8.2      ---      8.8      ---      .54      ---      .03      .00      ---

TOTAL   40.88    115.5    174.6    216.3    328.7    461.0    153.3    27.06     8.67     4.66     0.92     1.49
MEAN     1.32     3.85     5.63     6.98     11.3     14.9     5.11      .87      .29      .15     .030     .050
MAX       2.8      4.6      6.9       13       65       79      8.4      1.8      .47      .32      .08      .13
MIN       .52      3.1      4.6      5.6      6.3      7.9      1.8      .46      .22      .03      .00      .00
AC-FT      81      229      346      429      652      914      304       54       17      9.2      1.8      3.0

  e Estimated.


                                 11012500  CAMPO CREEK NEAR CAMPO, CA--Continued

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1937 - 1996, BY WATER YEAR (WY)

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

MEAN      .83     1.52     2.67     5.79     7.99     12.0     7.47     3.53     1.82      .97      .90      .69
MAX      14.3     20.7     25.7      140     74.5      153      121     52.2     30.4     20.1     26.5     16.5
(WY)     1984     1984     1984     1993     1980     1983     1983     1983     1983     1983     1983     1983
MIN      .000     .000     .000     .000     .000     .000     .000     .000     .000     .000     .000     .000
(WY)     1937     1949     1949     1957     1957     1956     1957     1957     1950     1947     1946     1947

SUMMARY STATISTICS           FOR 1995 CALENDAR YEAR        FOR 1996 WATER YEAR           WATER YEARS 1937 - 1996

ANNUAL TOTAL                        5398.77                    1533.08
ANNUAL MEAN                           14.8                        4.19                       3.83
HIGHEST ANNUAL MEAN                                                                         39.6            1983
LOWEST ANNUAL MEAN                                                                            .000          1957
HIGHEST DAILY MEAN                   282     Mar  6              79     Mar 14             745       Jan 16 1993
LOWEST DAILY MEAN                       .51  Aug 30                .00  Aug 30                .00    Oct  1 1936
ANNUAL SEVEN-DAY MINIMUM                .54  Aug 25                .00  Aug 27                .00    Oct  1 1936
INSTANTANEOUS PEAK FLOW                                         131     Mar 13            1580       Jan 16 1993
INSTANTANEOUS PEAK STAGE                                          3.92  Feb  1               6.86    Jan 16 1993
ANNUAL RUNOFF (AC-FT)              10710                       3040                       2780
10 PERCENT EXCEEDS                    28                          8.8                        9.1
50 PERCENT EXCEEDS                     6.0                        2.3                         .10
90 PERCENT EXCEEDS                      .63                        .04                        .00