WALLA WALLA WSO, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(458931) WALLA WALLA WB CITY
From Year=1916 To Year=1987
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 39.4 27.8 33.6 71 20/1968 -16 30/1950 48.4 1953 17.4 1950 0.0 9.4 19.0 0.7
February 47.1 33.6 40.4 77 24/1986 -14 03/1950 47.1 1958 28.2 1956 0.0 2.3 11.3 0.2
March 54.7 37.3 46.0 79 25/1960 13 05/1955 51.0 1986 40.5 1955 0.0 0.2 6.5 0.0
April 62.6 41.8 52.2 93 30/1926 18 20/1927 58.5 1987 47.8 1920 0.1 0.0 1.3 0.0
May 71.2 48.5 59.8 101 31/1986 26 09/1922 66.5 1958 54.9 1927 1.1 0.0 0.1 0.0
June 79.8 55.1 67.4 106 17/1961 39 07/1919 73.2 1961 62.5 1953 5.3 0.0 0.0 0.0
July 88.9 61.2 75.1 110 18/1918 45 29/1917 80.8 1985 68.8 1916 15.8 0.0 0.0 0.0
August 87.0 60.6 73.8 113 04/1961 42 19/1916 80.9 1967 69.5 1918 13.1 0.0 0.0 0.0
September 76.9 52.4 64.7 103 02/1950 22 24/1926 70.8 1967 57.8 1926 2.9 0.0 0.1 0.0
October 64.2 43.5 53.8 90 07/1980 22 28/1971 60.0 1952 48.9 1930 0.0 0.0 1.6 0.0
November 49.1 36.1 42.6 80 04/1975 -5 23/1985 49.3 1954 28.7 1985 0.0 2.2 8.8 0.1
December 41.8 30.6 36.2 72 26/1980 -13 30/1968 42.5 1953 21.5 1985 0.0 7.4 17.8 0.4
Annual 63.6 44.0 53.8 113 19610804 -16 19500130 56.8 1967 50.9 1985 38.3 21.4 66.4 1.4
Winter 42.8 30.7 36.7 77 19860224 -16 19500130 44.0 1967 28.3 1949 0.0 19.1 48.1 1.4
Spring 62.8 42.5 52.7 101 19860531 13 19550305 57.5 1987 48.1 1955 1.2 0.2 7.8 0.0
Summer 85.2 59.0 72.1 113 19610804 39 19190607 76.8 1961 68.4 1916 34.2 0.0 0.0 0.0
Fall 63.4 44.0 53.7 103 19500902 -5 19851123 57.9 1963 47.3 1985 2.9 2.2 10.5 0.1
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