10270900 BIRCH-MCGEE DIVERSION TO BISHOP CREEK POWERPLANT NO. 2, NEAR BISHOP, CA
LOCATION.-Lat 37°16'26", long 118°34'45", NW 1/4 NE 1/4 sec.9, T.8 S., R.31 E., Inyo County, Hydrologic
Unit 18090102, Inyo National Forest, in conduit, 100 ft upstream from penstock to Bishop Creek Powerplant No. 2,
and 11.9 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 Unpublished records prior to October 1990 available in files of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.-Acoustic-velocity meter. Elevation of gage is 7,950 ft above sea level, from topographic map.
REMARKS.-Conduit diverts water from Birch Creek and discharges into penstock to Bishop Creek Powerplant No. 2.
Birch Creek receives water from McGee Creek via McGee Creek Diversion (station 10268225). 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.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 12 6.1 6.9 5.9 5.4 5.1 4.6 4.8 12 20 8.1 12
2 10 5.4 6.8 5.9 5.3 5.1 4.7 4.5 12 18 15 13
3 7.8 5.3 6.9 5.9 5.3 5.2 4.7 4.5 14 12 19 12
4 7.1 5.2 6.7 5.9 5.3 5.1 4.7 4.4 16 19 19 12
5 6.9 5.1 6.7 5.9 5.3 5.0 4.7 4.5 15 28 18 12
6 6.9 5.1 6.7 6.0 5.4 5.0 4.7 4.6 15 29 18 11
7 7.0 5.6 6.6 6.0 5.7 5.0 4.7 4.6 15 31 17 11
8 6.8 5.9 6.6 6.0 5.4 5.0 4.7 4.6 15 27 16 11
9 7.0 5.9 6.6 6.0 5.5 5.0 4.6 4.6 15 23 16 11
10 6.7 6.7 6.6 6.0 5.3 4.9 4.7 4.5 16 20 16 11
11 6.7 7.6 6.6 6.0 5.3 4.9 4.6 4.6 17 20 15 11
12 6.7 7.5 6.5 5.9 5.3 4.9 4.6 4.7 18 25 14 10
13 6.1 7.5 6.5 5.8 5.3 5.0 4.9 4.6 14 27 14 9.9
14 8.3 7.4 6.5 5.8 5.2 5.0 4.9 4.6 12 26 15 9.8
15 9.9 7.3 6.4 5.8 5.2 4.9 4.9 4.6 13 30 14 9.6
16 9.4 7.3 6.4 5.8 5.2 4.9 4.9 4.7 14 31 14 9.5
17 9.0 7.2 6.4 5.8 5.3 5.0 4.9 4.7 16 28 14 9.8
18 9.2 7.2 6.4 5.8 5.3 5.1 5.0 4.8 13 25 14 9.9
19 9.3 7.2 6.4 5.8 5.2 5.0 5.0 4.9 14 24 15 9.4
20 9.2 7.2 6.0 5.7 5.2 4.9 5.0 5.1 15 23 15 9.0
21 9.2 7.2 5.9 5.2 5.2 4.9 4.9 5.3 14 22 15 8.7
22 9.1 6.9 6.2 5.9 5.1 4.9 4.8 5.4 11 21 16 8.3
23 7.4 6.7 6.2 5.9 5.1 4.9 4.7 5.5 14 21 16 8.1
24 7.0 6.5 6.2 5.9 5.2 5.0 4.6 6.0 18 21 16 7.8
25 6.8 6.9 6.2 5.4 5.2 4.9 4.6 9.2 18 12 16 7.8
26 6.3 6.9 6.1 5.8 5.1 5.0 4.6 13 21 7.7 16 8.1
27 6.0 6.9 6.0 5.7 5.1 4.9 4.6 14 20 7.9 17 7.9
28 6.2 7.0 6.1 5.7 5.1 4.9 4.5 14 22 7.2 16 7.7
29 6.4 7.0 6.1 5.6 --- 4.9 4.6 13 21 7.4 15 8.0
30 6.4 6.9 6.1 5.7 --- 4.7 4.6 13 19 7.8 14 8.0
31 6.1 --- 6.0 5.7 --- 4.8 --- 13 --- 8.0 13 ---
TOTAL 238.9 198.6 198.3 180.2 147.5 153.8 142.0 204.3 469 629.0 476.1 294.3
MEAN 7.71 6.62 6.40 5.81 5.27 4.96 4.73 6.59 15.6 20.3 15.4 9.81
MAX 12 7.6 6.9 6.0 5.7 5.2 5.0 14 22 31 19 13
MIN 6.0 5.1 5.9 5.2 5.1 4.7 4.5 4.4 11 7.2 8.1 7.7
AC-FT 474 394 393 357 293 305 282 405 930 1250 944 584
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