COPCO #1 DAM, CALIFORNIA

Period of Record General Climate Summary - Temperature

Station:(041990) COPCO NO 1 DAM
From Year=1959 To Year=2012
Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp.
Max. Min. Mean High Date Low Date Highest
Mean		 Year Lowest
Mean		 Year >=
90 F		 <=
32 F		 <=
32 F		 <=
0 F
F F F F dd/yyyy
or
yyyymmdd		 F dd/yyyy
or
yyyymmdd		 F - F - # Days # Days # Days # Days
January 48.4 25.3 36.8 63 21/1981 3 10/2011 40.1 1981 35.1 2012 0.0 0.0 25.0 0.0
February 50.9 24.2 37.6 66 13/2011 12 22/2011 38.6 2012 36.5 2011 0.0 0.5 25.5 0.0
March 52.4 29.3 40.8 71 10/2012 12 19/2011 41.0 2012 40.7 2011 0.0 0.0 22.5 0.0
April 60.7 31.7 46.2 86 23/2012 16 03/2011 50.0 2012 42.4 2011 0.0 0.0 18.0 0.0
May 74.6 41.0 57.8 95 09/1969 20 01/2011 64.8 1969 50.5 2011 2.7 0.0 5.0 0.0
June 76.7 42.9 59.8 95 22/2011 25 03/2011 61.5 2012 58.2 2011 3.5 0.0 2.0 0.0
July 88.5 53.0 70.8 100 12/2012 43 27/2011 72.3 2012 69.2 2011 15.0 0.0 0.0 0.0
August 94.2 53.9 74.1 105 05/2012 42 10/2011 75.9 2012 72.2 2011 27.5 0.0 0.0 0.0
September 89.7 50.0 69.9 97 05/2011 39 26/2011 70.7 2012 69.0 2011 19.5 0.0 0.0 0.0
October 70.1 39.8 54.9 97 02/1970 25 27/2011 56.3 1970 53.6 2011 2.5 0.0 4.5 0.0
November 53.1 30.0 41.6 65 11/2011 22 08/2011 41.6 2011 41.6 2011 0.0 0.0 20.0 0.0
December 50.4 19.4 34.9 61 29/2011 11 24/2011 34.9 2011 34.9 2011 0.0 0.0 29.0 0.0
Annual 67.5 36.7 52.1 105 20120805 3 20110110 50.3 2011 50.3 2011 70.7 0.5 151.5 0.0
Winter 49.9 23.0 36.4 66 20110213 3 20110110 36.2 2012 36.2 2012 0.0 0.5 79.5 0.0
Spring 62.5 34.0 48.3 95 19690509 12 20110319 49.7 2012 44.5 2011 2.7 0.0 45.5 0.0
Summer 86.5 49.9 68.2 105 20120805 25 20110603 69.9 2012 66.5 2011 46.0 0.0 2.0 0.0
Fall 71.0 39.9 55.5 97 19701002 22 20111108 54.7 2011 54.7 2011 22.0 0.0 24.5 0.0
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