date! ,

Period of Record General Climate Summary - Temperature

Station:(479236) WILLOW RESERVOIR
From Year=1934 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 20.9 0.2 10.6 51 26/1981 -45 17/1982 23.4 2006 -3.4 1977 0.0 26.4 30.8 14.9
February 25.7 2.2 13.9 59 25/1976 -43 03/1996 28.7 1998 3.8 1936 0.0 20.4 27.9 12.8
March 35.9 12.8 24.4 75 20/2012 -40 01/1962 37.3 1946 15.5 1960 0.0 11.6 29.1 6.8
April 51.4 28.4 39.9 88 28/1952 -14 07/1982 47.6 1955 31.0 1950 0.0 1.3 21.0 0.2
May 65.4 40.0 52.7 106 31/1934 15 10/1966 61.2 1977 45.5 1997 0.0 0.0 7.4 0.0
June 73.8 50.3 62.1 101 04/1934 23 14/1958 67.5 1934 54.8 1982 0.4 0.0 0.6 0.0
July 78.6 55.0 66.8 112 13/1936 30 01/1948 73.1 1935 60.6 1992 1.4 0.0 0.0 0.0
August 76.3 52.7 64.5 100 04/1947 28 29/1965 72.2 1947 58.7 1977 0.8 0.0 0.2 0.0
September 67.3 44.6 55.9 93 08/1976 18 25/1947 62.9 1939 48.8 1974 0.1 0.0 3.3 0.0
October 55.2 34.8 44.9 86 21/1947 6 23/1936 55.0 1947 37.3 1976 0.0 0.3 13.4 0.0
November 38.2 22.4 30.3 86 01/1938 -22 29/1985 40.4 2001 20.3 1976 0.0 9.2 25.7 1.3
December 25.3 7.9 16.4 59 03/1982 -35 21/1989 25.0 1941 2.7 1985 0.0 23.5 30.3 9.4
Annual 51.2 29.3 40.2 112 19360713 -45 19820117 42.5 2001 36.7 1979 2.8 92.7 189.6 45.5
Winter 24.0 3.4 13.6 59 19760225 -45 19820117 23.2 1998 4.2 1979 0.0 70.4 89.0 37.2
Spring 50.9 27.1 39.0 106 19340531 -40 19620301 45.2 1977 32.3 1996 0.0 12.9 57.4 7.0
Summer 76.2 52.7 64.4 112 19360713 23 19580614 67.9 2005 59.6 1992 2.6 0.0 0.8 0.0
Fall 53.6 33.9 43.7 93 19760908 -22 19851129 48.2 1963 36.4 1976 0.1 9.5 42.4 1.3
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