KENNEWICK, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(454154) KENNEWICK
From Year=1894 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 39.8 26.0 32.9 74 10/1896 -27 21/1930 46.5 1953 13.0 1930 0.0 7.9 22.0 1.1
February 47.5 29.9 38.7 74 25/1986 -23 03/1950 47.9 1961 22.1 1936 0.0 2.0 16.5 0.4
March 58.2 35.1 46.6 89 27/1910 10 22/1898 52.2 2004 39.9 1897 0.0 0.1 10.7 0.0
April 67.6 40.8 54.2 95 18/1910 18 02/1927 60.4 1934 49.2 1982 0.1 0.0 3.1 0.0
May 75.7 47.8 61.7 104 31/1910 26 01/1905 67.5 1958 56.1 1977 2.3 0.0 0.2 0.0
June 83.0 54.2 68.6 110 07/1912 37 13/1910 75.0 1961 64.4 1914 7.2 0.0 0.0 0.0
July 91.4 59.6 75.5 115 27/1939 38 02/1921 86.3 1906 69.1 1993 19.1 0.0 0.0 0.0
August 89.3 58.0 73.6 115 10/1898 37 31/1924 79.2 1898 68.5 1910 16.1 0.0 0.0 0.0
September 79.5 50.1 64.8 100 01/1911 21 24/1926 70.8 1938 58.4 1926 3.4 0.0 0.3 0.0
October 66.2 41.0 53.6 89 02/1943 14 30/1935 59.5 1988 47.9 1905 0.0 0.0 4.2 0.0
November 50.6 33.8 42.2 79 14/1999 -8 23/1985 49.4 1899 29.3 1985 0.0 1.1 13.0 0.0
December 41.3 28.3 34.8 71 26/1898 -29 13/1919 44.6 1933 20.4 1919 0.0 6.1 20.7 0.5
Annual 65.8 42.0 53.9 115 18980810 -29 19191213 57.7 1934 50.5 1985 48.3 17.1 90.7 2.0
Winter 42.9 28.1 35.5 74 18960110 -29 19191213 43.2 1967 26.1 1929 0.0 15.9 59.1 2.0
Spring 67.2 41.2 54.2 104 19100531 10 18980322 59.0 1934 49.7 1955 2.5 0.1 14.0 0.0
Summer 87.9 57.2 72.6 115 18980810 37 19100613 77.4 1961 69.5 1993 42.4 0.0 0.0 0.0
Fall 65.4 41.6 53.5 100 19110901 -8 19851123 57.5 1998 47.1 1985 3.4 1.1 17.5 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