10287069 MILL CREEK FLUME BELOW LUNDY LAKE, NEAR LEE VINING, CA
LOCATION.-Lat 38°01'59", long 119°12'56", in SE 1/4 NE 1/4 sec.16, T.2 N., R.25 E., Mono County,
Hydrologic Unit 18090101, on left bank, 20 ft upstream from Deer Creek, 70 ft downstream from road culvert, 1,400
ft downstream from Lundy Lake Dam, and 7.5 mi northwest of Lee Vining.
DRAINAGE AREA.-18.1 mi2.
PERIOD OF RECORD.-October 1990 to current year. If records for Upper Conway Ditch and Lundy Powerplant Tailrace
(stations 10287145 and 10287195) are combined with this record, a record equivalent to that published since
October 1942 as Mill Creek below Lundy Lake, near Mono Lake can be obtained. Monthly and yearly mean discharges
prior to October 1969, published in WSP 2127.
GAGE.-Water-stage recorder and 5-ft Cipolletti weir (since May 12, 1992) set in Parshall flume. Elevation of gage
is 7,760 ft above sea level, from topographic map.
REMARKS.-Flow regulated by Lundy Lake (station 10287060). Most of the water is diverted at Lundy Lake via Lundy
Powerplant to Upper Conway Ditch and Lundy Powerplant Tailrace for power development and irrigation.
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, 154 ft3/s, July 21, 1998, gage height, 2.65 ft; no
flow for many days each year.
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 2.4 1.3 .53 .38 .31 .00 .00 .00 .24 7.8 4.3 1.3
2 2.4 1.2 .53 .38 .31 .00 .00 .00 .39 17 3.9 1.3
3 2.4 1.2 .53 .38 .31 .00 .00 .00 .46 34 3.7 1.3
4 2.4 1.1 .53 .38 .31 .00 .00 .00 .58 23 3.5 1.3
5 2.4 1.1 .53 .38 .31 .00 .00 .00 .66 18 3.4 1.3
6 2.4 1.0 .53 .38 .28 .00 .00 .00 .70 17 3.2 1.3
7 2.4 .98 .53 .38 .29 .00 .00 .00 .70 19 3.1 1.3
8 2.3 .98 .53 .38 .31 .00 .00 .00 .70 20 3.0 1.3
9 2.2 .97 .53 .38 .31 .00 .00 .00 .79 20 2.8 1.3
10 2.2 .88 .53 .38 .60 .00 .00 .00 .79 14 2.7 1.3
11 2.1 .88 .53 .38 3.1 .00 .00 .00 .79 14 2.5 1.3
12 2.0 .88 .53 .31 2.1 .00 .00 .00 .79 14 2.4 1.3
13 2.0 .86 .53 .31 1.9 .00 .00 .00 .88 11 2.3 1.3
14 2.1 .79 .53 .31 1.6 .00 .00 .00 .90 15 2.2 1.3
15 2.1 .79 .53 .31 1.2 .00 .00 .00 1.0 13 2.1 1.3
16 2.1 .79 .53 .31 .83 .00 .00 .00 1.1 11 2.0 1.3
17 2.0 .79 .53 .31 .45 .00 .00 .00 1.3 9.5 1.9 3.3
18 2.0 .79 .49 .31 .21 .00 .00 .00 1.5 9.1 1.9 5.4
19 2.0 .79 .45 .31 .11 .00 .00 .00 1.9 8.9 1.8 5.5
20 2.0 .75 .45 .31 .03 .00 .00 .00 2.4 8.6 1.7 5.5
21 1.9 .70 .45 .31 .01 .00 .00 .00 2.8 8.1 1.7 5.4
22 1.8 .70 .45 .31 .00 .00 .00 .00 3.4 7.7 1.6 5.3
23 1.7 .70 .45 .31 .00 .00 .00 .00 3.9 7.4 1.5 5.3
24 1.7 .70 .45 .31 .00 .00 .00 .00 4.8 7.0 1.4 5.3
25 1.6 .70 .45 .31 .00 .00 .00 .00 5.5 6.6 1.4 5.3
26 1.6 .63 .45 .31 .00 .00 .00 .00 6.1 6.2 1.4 5.2
27 1.5 .61 .45 .31 .00 .00 .00 .00 6.5 5.8 1.3 5.1
28 1.4 .61 .45 .31 .00 .00 .00 .00 6.8 5.5 1.3 5.1
29 1.4 .61 .45 .31 --- .00 .00 .00 7.1 5.2 1.3 5.1
30 1.4 .58 .45 .31 --- .00 .00 .01 7.5 4.9 1.3 5.1
31 1.3 --- .39 .31 --- .00 --- .14 --- 4.6 1.3 ---
TOTAL 61.2 25.36 15.29 10.38 14.88 0.00 0.00 0.15 72.97 372.9 69.9 92.7
MEAN 1.97 .85 .49 .33 .53 .000 .000 .005 2.43 12.0 2.25 3.09
MAX 2.4 1.3 .53 .38 3.1 .00 .00 .14 7.5 34 4.3 5.5
MIN 1.3 .58 .39 .31 .00 .00 .00 .00 .24 4.6 1.3 1.3
AC-FT 121 50 30 21 30 .00 .00 .3 145 740 139 184
a 0 0 0 0 0 0 0 215 415 740 286 0
b 1330 918 647 598 1510 633 595 2390 3520 3490 1780 601
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1991 - 1999, BY WATER YEAR (WY)
MEAN 1.60 1.04 .61 1.26 .50 .13 .008 .22 11.1 28.1 7.45 3.13
MAX 3.48 2.66 2.17 8.57 1.79 .70 .044 1.23 35.8 98.2 31.4 5.74
(WY) 1996 1996 1996 1997 1997 1996 1994 1997 1997 1995 1995 1995
MIN .000 .000 .000 .000 .000 .000 .000 .000 .61 1.72 .17 .000
(WY) 1991 1991 1991 1991 1991 1991 1991 1991 1993 1994 1994 1994
SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1991 - 1999
ANNUAL TOTAL 2978.90 735.73
ANNUAL MEAN 8.16 2.02 4.63
HIGHEST ANNUAL MEAN 14.1 1995
LOWEST ANNUAL MEAN .69 1992
HIGHEST DAILY MEAN 137 Jul 21 34 Jul 3 137 Jul 21
1998
LOWEST DAILY MEAN .00 Apr 7 .00 Feb 22 .00 Oct 1
1990
ANNUAL SEVEN-DAY MINIMUM .00 Apr 7 .00 Feb 22 .00 Oct 1
1990
INSTANTANEOUS PEAK FLOW 56 Jul 3 154 Jul 21
1998
INSTANTANEOUS PEAK STAGE 2.52 Jul 3 2.65 Jul 21
1998
ANNUAL RUNOFF (AC-FT) 5910 1460 3360
ANNUAL DIVERSION (AC-FT) a 661 1660
ANNUAL DIVERSION (AC-FT) b 22000 18010
10 PERCENT EXCEEDS 18 5.4 7.1
50 PERCENT EXCEEDS .61 .61 .53
90 PERCENT EXCEEDS .00 .00 .00
a Diversion, in acre-feet, to Upper Conway Ditch, provided by Southern California Edison Co.
b Diversion, in acre-feet, to Lundy Powerplant Tailrace, provided by Southern California Edison Co.
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