COPCO #1 DAM, CALIFORNIA

Period of Record General Climate Summary - Precipitation

Station:(041990) COPCO NO 1 DAM
From Year=1959 To Year=2012
Precipitation Total Snowfall
Mean High Year Low Year 1 Day Max. >=
0.01 in.		 >=
0.10 in.		 >=
0.50 in.		 >=
1.00 in.		 Mean High Year
in. in. - in. - in. dd/yyyy
or
yyyymmdd		 # Days # Days # Days # Days in. in. -
January 3.07 7.31 2008 0.08 1985 3.00 27/2008 12 7 2 1 5.7 25.3 2008
February 2.15 6.07 1986 0.12 1988 2.18 21/1982 10 6 1 0 2.8 22.1 2007
March 2.11 5.77 2011 0.05 1965 2.15 18/1975 12 6 1 0 1.7 10.0 1962
April 1.55 4.38 1995 0.15 1987 1.94 30/2002 10 5 1 0 0.6 9.0 1961
May 1.32 3.56 1990 0.08 1974 1.51 31/1993 7 4 1 0 0.0 0.5 1988
June 0.88 3.20 1997 0.00 1960 1.80 11/1997 5 2 0 0 0.0 0.0 1959
July 0.36 1.84 2012 0.00 1959 1.25 01/2012 2 1 0 0 0.0 0.0 1959
August 0.47 3.57 1976 0.00 1967 2.00 23/1983 2 1 0 0 0.0 0.0 1959
September 0.56 2.77 1977 0.00 1960 1.60 17/1989 3 2 0 0 0.0 0.0 1959
October 1.27 4.31 2007 0.00 1988 1.93 19/2007 6 3 1 0 0.0 0.5 1971
November 3.02 7.70 1970 0.02 1959 2.16 25/1961 12 7 2 0 2.0 16.0 1994
December 3.38 10.71 1964 0.27 1976 2.90 22/1964 13 8 2 0 5.6 22.1 2008
Annual 20.16 31.27 1998 13.09 2009 3.00 20080127 95 51 11 2 18.3 56.4 2008
Winter 8.61 17.19 1996 2.31 1977 3.00 20080127 36 20 5 1 14.0 48.5 1969
Spring 4.98 9.79 1995 1.83 1999 2.15 19750318 29 15 2 0 2.3 12.2 1967
Summer 1.72 5.94 1997 0.08 1960 2.00 19830823 9 4 1 0 0.0 0.0 1959
Fall 4.86 10.13 1973 0.83 1959 2.16 19611125 21 12 3 1 2.0 16.0 1994
Table updated on Oct 31, 2012
For monthly and annual means, thresholds, and sums:
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered
Seasons are climatological not calendar seasons
Winter = Dec., Jan., and Feb. Spring = Mar., Apr., and May
Summer = Jun., Jul., and Aug. Fall = Sep., Oct., and Nov. 






Western Regional Climate Center, wrcc@dri.edu