KENNEWICK, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(454154) KENNEWICK
From Year=1948 To Year=2006
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 40.1 27.0 33.6 69 27/2003 -19 29/1950 46.5 1953 15.3 1950 0.0 7.2 20.7 0.9
February 48.4 30.8 39.6 74 25/1986 -23 03/1950 47.9 1961 26.2 1989 0.0 1.5 15.7 0.3
March 58.0 35.4 46.7 82 25/1960 10 05/1955 52.2 2004 41.9 1951 0.0 0.1 9.8 0.0
April 66.8 41.2 54.0 91 29/1987 22 08/1952 58.2 1987 49.2 1982 0.1 0.0 2.6 0.0
May 75.3 48.3 61.8 104 30/1983 30 01/1954 67.5 1958 56.1 1977 2.3 0.0 0.1 0.0
June 82.9 54.8 68.9 107 24/1992 38 28/1975 75.0 1961 64.5 1991 7.3 0.0 0.0 0.0
July 90.6 59.7 75.2 108 21/1979 42 07/1971 82.1 1998 69.1 1993 18.2 0.0 0.0 0.0
August 88.8 58.9 73.8 110 17/1977 41 30/1965 78.8 1961 69.0 1957 15.2 0.0 0.0 0.0
September 79.5 50.6 65.1 100 01/1967 30 29/1983 70.7 1998 60.2 1970 3.2 0.0 0.2 0.0
October 65.5 41.1 53.3 89 05/1980 17 29/1971 59.5 1988 48.9 1949 0.0 0.0 3.8 0.0
November 50.2 34.4 42.3 79 14/1999 -8 23/1985 48.1 1998 29.3 1985 0.0 1.2 11.7 0.1
December 41.5 29.1 35.3 68 26/1980 -7 23/1983 42.1 1953 22.8 1985 0.0 5.7 19.6 0.4
Annual 65.6 42.6 54.1 110 19770817 -23 19500203 56.6 1967 50.5 1985 46.3 15.8 84.3 1.6
Winter 43.4 29.0 36.2 74 19860225 -23 19500203 43.2 1967 26.8 1949 0.0 14.5 56.0 1.5
Spring 66.7 41.6 54.2 104 19830530 10 19550305 57.6 1987 49.7 1955 2.4 0.1 12.6 0.0
Summer 87.4 57.8 72.6 110 19770817 38 19750628 77.4 1961 69.5 1993 40.7 0.0 0.0 0.0
Fall 65.1 42.1 53.6 100 19670901 -8 19851123 57.5 1998 47.1 1985 3.2 1.2 15.7 0.1
Table updated on Jul 28, 2006
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