10270680  GREEN CREEK CONDUIT OUTLET NEAR BISHOP, CA

LOCATION.--Lat 37°10'14", long 118°33'50", unsurveyed, T.9 S., R.31 E., Inyo County, Hydrologic Unit 18090102,
   Inyo National Forest, on right bank 75 ft downstream from outlet of diversion pipe, 0.1 mi upstream from South
   Lake, and 16.2 mi southwest 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  Unpublished records prior to October 1990 available in files of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 9,800 ft above sea level, from topographic
   map.
REMARKS.--Flow limited by size of diversion pipe from Green Creek.  Water is used for power development
   downstream from South lake.  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, 6.9 ft3/s, June 9, 1996, no flow for many days each
   year.

                  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       .00      .00      .00      .00      .00      .00      .00     e.07      .95      2.7     2.1       .82
  2       .00      .00      .00      .00      .00      .00      .00     e.18      .99      3.0     2.0       .80
  3       .00      .00      .00      .00      .00      .00      .00     e.21      .82      3.5     1.9       .72
  4       .00      .00      .00      .00      .00      .00      .00     e.23      .66      3.8     1.7       .62
  5       .00      .00      .00      .00      .00      .00      .00     e.30     3.0       3.7     1.7       .53

  6       .00      .00      .00      .00      .00      .00      .00     e.33     6.2       3.6     1.6       .56
  7       .00      .00      .00      .00      .00      .00      .00     e.37     6.7       3.5     1.6       .61
  8       .00      .00      .00      .00      .00      .00      .00      .49     6.8       3.4     1.4       .62
  9       .00      .00      .00      .00      .00      .00      .00      .51     6.9       3.4     1.4       .62
 10       .00      .00      .00      .00      .00      .00      .00      .57     6.8       3.5     1.4       .62

 11       .00      .00      .00      .00      .00      .00      .00      .77     6.4       3.3     1.4       .59
 12       .00      .00      .00      .00      .00      .00      .00     1.0      6.1       3.4     1.4       .55
 13       .00      .00      .00      .00      .00      .00      .00     1.1      6.0       3.4     1.4       .51
 14       .00      .00      .00      .00      .00      .00      .00     1.1      6.1       3.4     1.4       .58
 15       .00      .00      .00      .00      .00      .00      .00     1.1      6.1       3.2     1.4       .59

 16       .00      .00      .00      .00      .00      .00      .00     1.0      5.7       3.0     1.4       .52
 17       .00      .00      .00      .00      .00      .00      .00      .77     5.3       2.8     1.4       .49
 18       .00      .00      .00      .00      .00      .00      .00      .81     5.0       2.5     1.4       .49
 19       .00      .00      .00      .00      .00      .00      .00      .66     4.8       2.3     1.2       .51
 20       .00      .00      .00      .00      .00      .00      .00      .69     4.8       2.2     1.1       .53

 21       .00      .00      .00      .00      .00      .00      .00      .73     4.7       2.1     1.1       .51
 22       .00      .00      .00      .00      .00      .00      .00      .73     4.4       2.0     1.0       .45
 23       .00      .00      .00      .00      .00      .00      .00      .60     4.2       2.0      .92      .43
 24       .00      .00      .00      .00      .00      .00      .00      .54     4.1       2.1      .88      .41
 25       .00      .00      .00      .00      .00      .00      .00      .46     3.9       2.2      .92      .41

 26       .00      .00      .00      .00      .00      .00      .00      .43     3.9       2.2      .99      .41
 27       .00      .00      .00      .00      .00      .00      .00      .46     3.8       2.3      .97      .41
 28       .00      .00      .00      .00      .00      .00      .00      .46     3.3       2.7      .93      .41
 29       .00      .00      .00      .00      .00      .00      .00      .54     2.9       2.6      .91      .41
 30       .00      .00      .00      .00      ---      .00      .00      .62     2.6       2.4      .86      .39
 31       .00      ---      .00      .00      ---      .00      ---      .72      ---      2.3      .83      ---

TOTAL    0.00     0.00     0.00     0.00     0.00     0.00     0.00    18.55   133.92     88.5    40.61    16.12
MEAN     .000     .000     .000     .000     .000     .000     .000      .60     4.46     2.85     1.31      .54
MAX       .00      .00      .00      .00      .00      .00      .00      1.1      6.9      3.8      2.1      .82
MIN       .00      .00      .00      .00      .00      .00      .00      .07      .66      2.0      .83      .39
AC-FT     .00      .00      .00      .00      .00      .00      .00       37      266      176       81       32

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1991 - 1996, BY WATER YEAR (WY)

MEAN     .000     .000     .000     .000     .000     .000     .002      .56     2.06     1.64      .57      .17
MAX      .000     .000     .000     .000     .000     .000     .015      .92     4.46     4.04     1.39      .54
(WY)     1991     1991     1991     1991     1991     1991     1992     1992     1996     1993     1993     1996
MIN      .000     .000     .000     .000     .000     .000     .000     .000      .96      .45     .083     .000
(WY)     1991     1991     1991     1991     1991     1991     1991     1991     1991     1992     1995     1995

SUMMARY STATISTICS           FOR 1995 CALENDAR YEAR        FOR 1996 WATER YEAR           WATER YEARS 1991 - 1996

ANNUAL TOTAL                          94.27                     297.70
ANNUAL MEAN                             .26                        .81                        .42
HIGHEST ANNUAL MEAN                                                                           .81           1996
LOWEST ANNUAL MEAN                                                                            .18           1991
HIGHEST DAILY MEAN                     2.2   Jun 25               6.9   Jun  9               6.9     Jun  9 1996
LOWEST DAILY MEAN                       .00  Jan  1                .00  Oct  1                .00    Oct  1 1990
ANNUAL SEVEN-DAY MINIMUM                .00  Jan  1                .00  Oct  1                .00    Oct  1 1990
ANNUAL RUNOFF (AC-FT)                187                        590                        304
10 PERCENT EXCEEDS                     1.3                        3.1                        1.4
50 PERCENT EXCEEDS                      .00                        .00                        .00
90 PERCENT EXCEEDS                      .00                        .00                        .00

  e Estimated.