WALLA WALLA RGNL AP, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(458928) WALLA WALLA FAA AIRPORT
From Year=1949 To Year=2012
Precipitation Total Snowfall
Mean High Year Low Year 1 Day Max. >=
0.01 in.		 >=
0.10 in.		 >=
0.50 in.		 >=
1.00 in.		 Mean High Year
in. in. - in. - in. dd/yyyy
or
yyyymmdd		 # Days # Days # Days # Days in. in. -
January 2.28 5.91 1970 0.44 1985 1.31 01/1994 14 7 1 0 6.2 29.3 1969
February 1.74 4.12 1986 0.41 1955 1.20 13/1970 11 6 1 0 2.9 13.3 1994
March 2.01 4.33 1983 0.42 1965 1.36 04/1983 12 6 1 0 1.1 7.0 1951
April 1.69 4.01 1978 0.15 1956 1.62 27/1990 10 5 1 0 0.0 1.0 1950
May 1.83 6.63 1991 0.26 1992 1.70 26/1971 8 5 1 0 0.0 0.0 1950
June 1.24 3.50 2012 0.25 1989 1.50 07/1950 7 3 1 0 0.0 0.0 1950
July 0.57 4.73 1992 0.00 1952 3.64 23/1992 3 1 0 0 0.0 0.0 1950
August 0.72 3.11 1977 0.00 1952 2.29 22/1992 4 2 0 0 0.0 0.0 1950
September 0.84 2.85 1959 0.00 1975 1.34 10/1962 4 2 0 0 0.0 0.0 1950
October 1.68 4.42 1950 0.01 1987 1.56 31/1994 8 4 1 0 0.1 2.4 1973
November 2.48 5.11 1973 0.50 1952 1.50 04/1994 13 7 1 0 1.8 20.9 1985
December 2.28 5.37 1973 0.49 1965 1.39 05/1971 14 6 1 0 4.8 23.4 1983
Annual 19.36 26.68 1981 12.18 1952 3.64 19920723 107 55 9 1 16.9 45.8 1985
Winter 6.30 10.79 1970 2.27 1977 1.39 19711205 39 19 3 0 13.8 48.8 1969
Spring 5.53 10.72 1991 2.73 1964 1.70 19710526 29 16 2 0 1.1 7.0 1951
Summer 2.53 8.39 1992 0.49 1967 3.64 19920723 13 6 1 0 0.0 0.0 1950
Fall 5.00 8.92 1973 0.98 1952 1.56 19941031 25 14 3 0 1.9 20.9 1985
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