10270985 ABELOUR DITCH NEAR BISHOP, CA

LOCATION.-Lat 37°20'30", long 118°28'41", SE 1/4 NE 1/4 sec.17, T.7 S., R.32 E., Inyo County, Hydrologic Unit 18090102, on left bank 400 ft 
  upstream from Highway 168 road crossing, 0.6 mi downstream from outlet in penstock to Bishop Creek Powerplant No. 6, and 4.8 mi west of 
  Bishop. 
PERIOD OF RECORD.-October 1990 to current year. Unpublished records prior to October 1990 available in files of Southern California Edison 
Co. 
GAGE.-Water-stage recorder and Parshall flume. Elevation of gage is 4,750 ft above sea level, from topographic map. 
REMARKS.-Ditch diverts water from Bishop Creek Powerplant No. 6 Penstock for irrigation and domestic use. See schematic diagram of Bishop 
  Creek Basin. 
COOPERATION.-Records collected by Southern California Edison Co., under general supervision of the U.S. Geological Survey, in connection 
  with a Federal Energy Regulatory Commission project. 
EXTREMES FOR PERIOD OF RECORD.-Maximum daily discharge, 3.3 ft3/s, May 7, 1995; minimum daily, 0.43 ft3/s, Nov. 22-25, 1996. 

                  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       2.3     1.9       1.8      1.7      2.0      2.2      2.0      2.1      2.2      1.8      2.1      2.1
  2       2.3     1.9       1.8      1.9      2.0      2.2      2.0      2.2      2.2      1.8      2.0      1.9
  3       2.3     1.9       1.8      2.2      2.0      2.2      2.2      2.2      2.2      1.9      2.0      1.4
  4       2.3     1.9       1.9      2.5      2.0      2.2      2.1      2.2      2.2      2.0      2.0      1.8
  5       2.3     1.9       2.0      2.5      2.0      2.2      2.0      2.1      2.2      2.0      2.0      2.3

  6       2.1     1.4       2.0      2.9      2.0      2.2      2.0      2.1      2.2      2.0      2.0      2.3
  7       1.9      .95      1.9      2.9      2.0      2.2      2.1      2.1      2.2      2.1      2.0      2.3
  8       2.0      .78      1.9      2.5      2.0      2.2      2.1      2.0      2.2      2.1      2.0      2.0
  9       2.0      .76      1.9      2.5      2.0      2.2      2.1      1.9      2.2      2.1      2.1      2.3
 10       1.9      .76      1.9      2.5      2.0      2.2      2.1      1.8      2.2      2.0      2.1      2.2

 11       2.0      .76      1.8      2.5      2.0      2.1      2.2      1.8      2.2      2.0      2.0      2.2
 12       2.0      .75      1.9      2.5      1.9      2.1      2.3      1.9      2.2      2.1      2.0      2.2
 13       2.0      .73      1.9      2.5      1.9      2.1      2.3      1.9      2.1      2.0      2.0      2.0
 14       2.0      .70      2.0      2.5      2.1      2.1      2.3      2.1      2.2      1.9      2.0      2.0
 15       1.9      .70      2.0      2.3      2.2      2.1      2.3      2.1      2.2      2.0      2.0      2.6

 16       1.9      .68      2.0      1.7      2.2      2.1      2.3      2.0      2.2      2.2      2.1      2.0
 17       1.9      .63      2.0      2.1      2.2      2.1      2.3      2.1      2.1      2.1      2.1      2.0
 18       1.9      .54      2.0      2.3      2.2      2.0      2.2      2.1      2.1      2.1      2.0      1.7
 19       1.9      .51      2.0      2.3      2.2      2.0      2.2      2.1      2.2      2.1      2.0      2.0
 20       1.9      .47      2.0      2.3      2.2      2.0      2.1      2.0      2.2      2.1      2.1      2.3

 21       1.9      .46      2.0      2.3      2.2      1.9      2.1      2.0      2.1      2.0      2.2      2.3
 22       1.9      .43      2.0      2.3      2.2      1.9      2.0      2.1      2.0      1.9      2.3      2.1
 23       1.9      .43      2.0      2.3      2.2      1.8      1.9      2.2      2.2      2.0      2.3      1.9
 24       1.9      .43      2.0      2.2      2.3      1.8      2.0      2.2      2.1      2.1      2.4      1.9
 25       1.8      .43      2.0      2.2      2.3      1.8      2.1      2.2      2.1      2.1      2.5      2.1

 26       1.8      .90      2.0      2.3      2.2      1.9      2.1      2.2      2.1      2.1      2.5      2.1
 27       1.8     1.9       2.0      2.2      2.3      2.1      2.2      2.2      2.1      2.1      2.2      2.2
 28       1.8     2.0       2.0      2.1      2.3      2.1      2.2      2.2      2.1      2.1      2.1      2.1
 29       1.7     1.8       2.0      2.1      ---      2.0      2.1      2.2      2.0      2.1      2.0      2.1
 30       1.7     1.8       2.0      2.1      ---      2.0      2.1      2.2      1.9      2.1      2.0      2.2
 31       1.8      ---      2.0      2.0      ---      2.0      ---      2.2      ---      2.1      2.0      ---

TOTAL    60.8    31.20     60.5     71.2     59.1     64.0     64.0     64.7     64.4     63.1     65.1     62.6
MEAN     1.96     1.04     1.95     2.30     2.11     2.06     2.13     2.09     2.15     2.04     2.10     2.09
MAX       2.3      2.0      2.0      2.9      2.3      2.2      2.3      2.2      2.2      2.2      2.5      2.6
MIN       1.7      .43      1.8      1.7      1.9      1.8      1.9      1.8      1.9      1.8      2.0      1.4
AC-FT     121       62      120      141      117      127      127      128      128      125      129      124



STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1991 - 1997, BY WATER YEAR (WY)                                 

MEAN     1.99     1.79     1.86     1.94     1.92     1.94     2.02     2.13     2.19     2.21     2.28     2.21
MAX      2.19     2.20     1.95     2.30     2.11     2.06     2.41     2.42     2.47     2.62     2.73     2.52
(WY)     1994     1994     1997     1997     1997     1997     1996     1995     1993     1995     1996     1995
MIN      1.87     1.04     1.77     1.75     1.70     1.70     1.86     1.88     1.90     1.91     1.85     1.89
(WY)     1991     1997     1993     1992     1991     1991     1991     1991     1992     1992     1991     1991

SUMMARY STATISTICS           FOR 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1991 - 1997

ANNUAL TOTAL                         779.00                     730.70                                          
ANNUAL MEAN                            2.13                       2.00                       2.04               
HIGHEST ANNUAL MEAN                                                                          2.19           1996
LOWEST ANNUAL MEAN                                                                           1.85           1991
HIGHEST DAILY MEAN                     3.1   Apr 20               2.9   Jan  6               3.3     May  7 1995
LOWEST DAILY MEAN                       .43  Nov 22                .43  Nov 22                .43    Nov 22 1996
ANNUAL SEVEN-DAY MINIMUM                .45  Nov 19                .45  Nov 19                .45    Nov 19 1996
ANNUAL RUNOFF (AC-FT)               1550                       1450                       1480                  
10 PERCENT EXCEEDS                     2.6                        2.3                        2.5                
50 PERCENT EXCEEDS                     2.2                        2.1                        2.0                
90 PERCENT EXCEEDS                     1.8                        1.8                        1.8