10268282  BIRCH CREEK BELOW DIVERSION DAM, NEAR BISHOP, CA

LOCATION.--Lat 37°16'42", long 118°36'40", unsurveyed, T.8 S., R.31 E., Inyo County, Hydrologic Unit 18090102,
   Inyo National Forest, on right bank below diversion dam at convergence of Birch Creek and tributary to Birch
   Creek, and 13.9 mi southwest of Bishop.

PERIOD OF RECORD.--October 1995 to September 1996.

GAGE.--Water-stage recorder and sharp-crested weir.  Elevation of gage is 8,290 ft above sea level, from
   topographic map.

REMARKS.--Water from McGee Creek enters Birch Creek via McGee Creek Diversion (station 10268225) 0.5 mi upstream
   from Birch Creek Diversion Dam.  Most of the water is diverted 15 ft upstream at Birch Creek Diversion Dam to
   Bishop Creek Powerplant No. 2 for power development downstream.  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 discharge, 14 ft3/s, June 10, 1996; minimum daily, 0.36 ft3/s, several
   days in 1996.


                  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       ---      .67      .76     e.82      .76      .82      .75      .75      .36      .38     4.7       .38
  2       ---      .66      .76     e.82      .76      .82      .75      .79      .36      .78     4.8       .38
  3       ---      .67      .76     e.82      .76      .82      .73      .79      .37     5.4      4.9       .36
  4       ---      .66      .76     e.82      .76      .81      .73      .80      .44     9.5      4.6       .42
  5       ---      .65      .72     e.82      .76      .80      .73      .79      .36     7.8      4.2       .80

  6       ---      .65      .76     e.82      .76      .79      .73      .79      .37     5.9      3.9      1.7
  7       ---      .66      .76     e.82      .76      .77      .73      .80     1.9      7.3      3.8      2.0
  8       ---      .68      .76     e.82      .76      .76      .74      .81    10        8.0      3.6      1.8
  9       ---      .85      .76     e.82      .76      .76      .73      .82    11        7.5      2.1      1.2
 10       ---      .86      .76     e.82      .76      .76      .73      .79     9.5      9.1       .54      .38

 11       ---      .78      .71     e.82      .76      .76      .73      .80     9.4     10         .55      .38
 12       ---      .77     1.2      e.82      .81      .76      .73      .81     7.7      9.3       .48      .38
 13       ---      .76      .61     e.82      .82      .76      .73      .80     5.2      8.9       .43      .38
 14       ---      .76      .61     e.82      .82      .76      .73      .80     4.7      9.2       .42      .38
 15       ---      .76      .73      .78      .82      .76      .73     1.0      4.7      7.5       .42      .43

 16       ---      .76      .85      .79      .82      .76      .73     1.2      4.7      7.4       .41     2.3
 17       ---      .76      .85      .79      .82      .76      .73     1.2      4.2      8.2       .41     3.5
 18       ---      .76      .85      .79      .82      .76      .72     1.3      2.1      8.3       .40     2.7
 19       ---      .76      .85      .79      .84      .76      .71     1.3      3.7      6.3       .40      .38
 20       ---      .76      .85      .77      .85      .76      .70     1.2      4.3      5.2       .39      .38

 21       ---      .78      .85      .79      .82      .76      .70     1.2      4.4      5.5       .38      .38
 22       ---      .78      .85      .76      .81      .76      .70     1.2      2.9      5.6       .38      .38
 23       ---      .73      .85      .76      .82      .76      .68     1.2      2.8      6.1       .38      .38
 24       ---      .73      .84      .78      .82      .76      .71     1.1      3.4      6.7       .38      .38
 25       .95      .71      .83      .76      .82      .76      .73     1.1      2.1      6.8       .38      .38

 26       .96      .74     e.85      .76      .82      .73      .71     1.1       .38     6.8       .38      .38
 27       .80      .76     e.85      .76      .82      .73      .71     1.1       .36     6.9       .38      .38
 28       .67      .76     e.85      .76      .82      .74      .70     1.2       .36     7.5       .38      .38
 29       .67      .77     e.85      .76      .82      .73      .71     3.0       .36     7.7       .38      .38
 30       .67      .76     e.85      .76      ---      .73      .70      .49      .36     6.1       .38      .38
 31       .67      ---     e.85      .76      ---      .74      ---      .36      ---     4.5       .38      ---

TOTAL     ---    22.16    24.99    24.60    23.15    23.71    21.64    31.39   102.78   212.16    45.63    24.43
MEAN      ---      .74      .81      .79      .80      .76      .72     1.01     3.43     6.84     1.47      .81
MAX       ---      .86      1.2      .82      .85      .82      .75      3.0       11       10      4.9      3.5
MIN       ---      .65      .61      .76      .76      .73      .68      .36      .36      .38      .38      .36
AC-FT     ---       44       50       49       46       47       43       62      204      421       91       48

  e Estimated.