WALLA WALLA FAA AIRPORT, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(458928) WALLA WALLA FAA AIRPORT
From Year=1949 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 39.7 27.9 33.8 70 20/1968 -18 27/1957 46.1 1953 16.5 1950 0.0 8.5 19.1 1.1
February 46.1 32.3 39.2 75 20/1995 -16 01/1950 46.3 1958 24.1 1989 0.0 2.8 12.9 0.4
March 54.6 36.4 45.5 79 30/1964 4 01/1993 50.4 1992 38.9 1955 0.0 0.2 6.9 0.0
April 62.8 41.3 52.0 96 24/1977 20 19/1966 57.2 1977 46.5 1955 0.0 0.0 1.2 0.0
May 70.9 47.6 59.3 100 28/1983 26 01/1954 65.3 1958 54.5 1962 1.1 0.0 0.1 0.0
June 79.5 54.1 66.8 107 23/1992 36 01/1966 72.9 1992 61.0 1953 5.2 0.0 0.0 0.0
July 89.2 60.4 74.8 114 10/1975 40 07/1971 82.3 1985 67.7 1993 16.2 0.0 0.0 0.0
August 87.6 60.5 74.0 114 04/1961 42 24/1992 80.1 1967 68.7 1954 13.4 0.0 0.0 0.0
September 78.2 52.5 65.4 104 02/1950 32 17/1965 71.5 1990 59.0 1971 3.8 0.0 0.0 0.0
October 64.5 43.4 53.9 89 03/1958 19 28/1971 59.7 1988 49.3 1957 0.0 0.0 1.5 0.0
November 48.8 35.0 41.9 80 04/1975 -11 23/1985 47.7 1983 27.0 1985 0.0 2.2 9.9 0.1
December 40.8 29.6 35.2 68 26/1980 -24 30/1968 41.6 1974 20.6 1985 0.0 7.7 18.9 0.6
Annual 63.5 43.4 53.5 114 19610804 -24 19681230 56.6 1994 50.4 1955 39.8 21.4 70.6 2.2
Winter 42.2 29.9 36.0 75 19950220 -24 19681230 42.2 1967 29.0 1993 0.0 19.0 50.9 2.1
Spring 62.8 41.7 52.3 100 19830528 4 19930301 56.6 1994 46.7 1955 1.2 0.2 8.2 0.0
Summer 85.4 58.3 71.9 114 19610804 36 19660601 76.2 1961 67.6 1954 34.8 0.0 0.0 0.0
Fall 63.8 43.6 53.7 104 19500902 -11 19851123 57.5 1963 46.6 1985 3.8 2.2 11.5 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