RICHLAND, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(457015) RICHLAND
From Year=1944 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 40.7 26.4 33.6 71 31/1971 -21 29/1950 46.9 1953 15.3 1979 0.0 7.2 21.9 0.8
February 48.6 30.2 39.4 73 01/1971 -22 02/1950 47.9 1961 26.4 1989 0.0 1.7 16.4 0.3
March 57.9 35.1 46.5 82 26/1960 11 01/1993 51.2 1947 41.1 1993 0.0 0.1 10.7 0.0
April 66.4 40.8 53.6 92 27/1947 23 03/1972 57.8 1977 48.1 2011 0.1 0.0 2.5 0.0
May 75.3 48.1 61.7 105 26/1947 30 01/1954 70.1 1947 56.3 2011 2.3 0.0 0.1 0.0
June 82.2 54.7 68.4 110 23/1958 38 11/1976 75.3 1958 62.8 1991 6.7 0.0 0.0 0.0
July 90.5 59.7 75.1 110 20/1946 41 25/1948 82.0 1958 68.0 1993 17.6 0.0 0.0 0.0
August 89.3 58.7 73.9 113 05/1961 39 19/1973 80.7 1958 69.8 1969 15.4 0.0 0.0 0.0
September 80.6 50.8 65.7 106 03/1950 31 25/1972 70.8 1963 59.9 1971 4.8 0.0 0.2 0.0
October 66.7 41.2 53.9 89 03/1958 13 31/2002 60.1 1952 49.6 1969 0.0 0.0 3.5 0.0
November 50.7 33.7 42.2 77 04/1975 -6 23/1985 48.5 1954 30.3 1985 0.0 1.3 13.1 0.0
December 41.5 28.2 34.9 69 09/1946 -10 30/1968 43.0 1957 23.7 1985 0.0 5.8 21.4 0.4
Annual 65.9 42.3 54.1 113 19610805 -22 19500202 58.7 1958 50.8 1993 47.1 16.1 89.8 1.5
Winter 43.6 28.3 35.9 73 19710201 -22 19500202 43.9 1967 26.5 1949 0.0 14.7 59.7 1.4
Spring 66.6 41.3 54.0 105 19470526 11 19930301 59.6 1947 49.8 2011 2.4 0.1 13.3 0.0
Summer 87.3 57.7 72.5 113 19610805 38 19760611 79.3 1958 68.5 1993 39.8 0.0 0.0 0.0
Fall 66.0 41.9 53.9 106 19500903 -6 19851123 58.7 1963 48.6 1985 4.8 1.3 16.8 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