10252550 CARUTHERS CREEK NEAR IVANPAH, CA

LOCATION.-Lat 35°14'33", long 115°17'58", in NW 1/4 NE 1/4 sec.6, T.13 N., R.16 E., San Bernardino County, Hydrologic Unit 15030102, on left bank 6.6 mi south of Ivanpah. 
DRAINAGE AREA.-0.84 mi2. 
PERIOD OF RECORD.-October 1963 to September 1981, May 1982 to current year. 
REVISED RECORDS.-WDR CA-82-1: 1979(M); WDR CA-96-1: Drainage area.
GAGE.-Water-stage recorder and crest-stage gage. Elevation of gage is 5,640 ft above sea level, from topographic map. 
REMARKS.-Records poor. No regulation or diversion upstream from station. 
EXTREMES FOR PERIOD OF RECORD.-Maximum discharge, 814 ft3/s, Aug. 12, 1979, gage height, 5.75 ft, from rating curve extended above 2.5 ft3/s on basis of slope-conveyance studies; maximum gage height, 9.75 ft., July 15, 1996; no flow for most of each year. 
EXTREMES FOR CURRENT YEAR.-Peak discharges greater than base discharge of 10 ft3/s, from rating curve extended above 2.5 ft3/s on basis of slope-conveyance studies, or maximum: 
  			Discharge	Gage height			Discharge	Gage height
  	Date	Time	(ft3/s)	(ft)	Date	Time	(ft3/s)	(ft)
  	July 20	0445	27	1.36	Sept. 6	1500	43	1.64
  	July 22	1500	33	1.48

                  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       .11      .00      .00      .00      .00     e.70     2.1       .00      .00      .00      .00      .00
  2       .08      .00      .00      .00      .00     e.45     3.4       .00      .00      .00      .00      .00
  3       .00      .00      .00      .00      .00     e.40     2.3       .00      .00      .00      .00      .00
  4       .00      .00      .00      .00      .00     e.35     1.4       .00      .00      .00      .00     2.5 
  5       .00      .00      .00      .00      .00     e.30     1.4       .00      .00      .00      .00     1.1 
 
  6       .00      .00      .00      .00      .03     e.29     1.2       .00      .00      .00      .00     3.1 
  7       .00      .00      .00      .00      .00      .13     1.1       .00      .00      .00      .00      .62
  8       .00      .00      .00      .00      .13      .06      .95      .00      .00      .00      .00      .24
  9       .00      .00      .00      .00      .00      .04      .83      .00      .00      .00      .00      .29
 10       .00      .00      .00      .00      .00      .04      .77      .00      .00      .00      .00      .13
 
 11       .00      .00      .00      .00      .00      .04      .77      .00      .00      .00      .00      .01
 12       .00      .00      .00      .00      .00      .04      .72      .00      .00      .00      .00      .00
 13       .00      .00      .00      .00      .00      .08      .72      .00      .00      .00      .00      .00
 14       .00      .00      .00      .00      .15      .67      .62      .00      .00      .00      .00      .00
 15       .00      .00      .00      .00      .29      .77      .52      .00      .00      .00      .00      .00
 
 16       .00      .00      .00      .00      .00      .72      .38      .00      .00      .00      .00      .00
 17       .00      .00      .00      .00      .14      .67      .29      .00      .00      .00      .00      .00
 18       .00      .00      .00      .00     1.1       .52      .29      .00      .00      .00      .00      .00
 19       .00      .00      .00      .00     1.5       .34      .20      .00      .00      .00      .00      .00
 20       .00      .00      .00      .00     1.1       .29      .20      .00      .00     1.6       .00      .00
 
 21       .00      .00      .00      .00      .95      .34      .13      .00      .00      .20      .00      .00
 22       .00      .00      .00      .00     1.4       .34      .08      .00      .00     1.6       .00      .00
 23       .00      .00      .00      .00     2.9       .38      .04      .00      .00     1.3       .00      .00
 24       .00      .00      .00      .00     2.9       .38      .02      .00      .00     1.3       .00      .00
 25       .00      .00      .00      .00     1.6      1.5       .02      .00      .00     1.1       .00      .00
 
 26       .00      .00      .00      .00     1.4      3.0       .01      .00      .00     1.0       .00      .00
 27       .00      .00      .00      .00     1.4      2.6       .01      .00      .00      .33      .00      .00
 28       .00      .00      .00      .00      .95     2.1       .00      .00      .00      .02      .00      .00
 29       .00      .00      .00      .00      ---     2.1       .00      .00      .00      .00      .00      .00
 30       .00      .00      .00      .00      ---     2.3       .00      .00      .00      .00      .00      .00
 31       .00      ---      .00      .00      ---     2.0       ---      .00      ---      .00      .00      ---
 
TOTAL    0.19     0.00     0.00     0.00    17.94    23.94    20.47     0.00     0.00     8.45     0.00     7.99
MEAN     .006     .000     .000     .000      .64      .77      .68     .000     .000      .27     .000      .27
MAX       .11      .00      .00      .00      2.9      3.0      3.4      .00      .00      1.6      .00      3.1
MIN       .00      .00      .00      .00      .00      .04      .00      .00      .00      .00      .00      .00
AC-FT      .4      .00      .00      .00       36       47       41      .00      .00       17      .00       16
 
    e  Estimated.


STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1964 - 1998, BY WATER YEAR (WY)                                 
  
          OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
 
MEAN     .087     .032      .12      .20      .20      .33     .081     .001     .002      .15      .26     .032
MAX      2.81      .67     1.27     2.22     1.44     2.23      .95     .010     .054     2.45     2.70      .34
(WY)     1977     1966     1966     1993     1980     1992     1965     1983     1972     1984     1979     1976
MIN      .000     .000     .000     .000     .000     .000     .000     .000     .000     .000     .000     .000
(WY)     1965     1964     1964     1964     1964     1967     1964     1965     1964     1964     1964     1964
 
SUMMARY STATISTICS           FOR 1997 CALENDAR YEAR        FOR 1998 WATER YEAR           WATER YEARS 1964 - 1998
 
ANNUAL TOTAL                          11.64                      78.98                                          
ANNUAL MEAN                             .032                       .22                        .12               
HIGHEST ANNUAL MEAN                                                                           .36           1993
LOWEST ANNUAL MEAN                                                                            .001          1964
  HIGHEST DAILY MEAN                     2.6   Sep 25               3.4   Apr  2              80       Aug 12 1979
  LOWEST DAILY MEAN                       .00  Jan  1                .00  Oct  3                .00    Oct  1 1963
  ANNUAL SEVEN-DAY MINIMUM                .00  Jan  1                .00  Oct  3                .00    Oct  1 1963
  INSTANTANEOUS PEAK FLOW                                          43     Sep  6             814       Aug 12 1979
  INSTANTANEOUS PEAK STAGE                                          1.64  Sep  6               9.75    Jul 15 1996
ANNUAL RUNOFF (AC-FT)                 23                        157                         89                  
10 PERCENT EXCEEDS                      .00                        .79                        .08               
50 PERCENT EXCEEDS                      .00                        .00                        .00               
90 PERCENT EXCEEDS                      .00                        .00                        .00