WALLA WALLA WB CITY, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(458931) WALLA WALLA WB CITY
From Year=1916 To Year=1987
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 2.01 5.86 1970 0.34 1949 1.17 15/1956 14 6 1 0 7.4 31.3 1969
February 1.63 3.65 1986 0.17 1964 1.12 13/1970 12 6 0 0 2.9 13.4 1956
March 1.62 4.17 1983 0.34 1965 1.24 04/1983 12 5 1 0 1.2 5.5 1951
April 1.29 4.13 1917 0.11 1956 1.30 08/1917 9 4 0 0 0.0 0.7 1950
May 1.33 4.19 1957 0.00 1924 1.91 26/1971 8 4 1 0 0.0 0.0 1949
June 1.04 3.01 1984 0.05 1919 1.73 02/1923 6 3 0 0 0.0 0.0 1948
July 0.37 1.78 1966 0.00 1917 1.04 13/1983 3 1 0 0 0.0 0.0 1949
August 0.62 2.94 1977 0.00 1917 1.36 25/1965 4 2 0 0 0.0 0.0 1948
September 0.94 5.47 1927 0.00 1975 1.05 11/1927 5 3 0 0 0.0 0.0 1948
October 1.43 4.20 1950 0.00 1917 1.98 14/1980 8 4 1 0 0.2 3.5 1973
November 2.03 4.24 1986 0.31 1976 1.12 23/1984 13 6 1 0 2.2 17.5 1985
December 2.19 4.31 1964 0.29 1965 1.21 05/1971 14 6 1 0 5.4 21.9 1968
Annual 16.50 25.43 1983 11.19 1949 1.98 19801014 107 50 7 1 19.3 41.7 1969
Winter 5.83 10.54 1970 1.94 1977 1.21 19711205 40 19 2 0 15.7 56.9 1969
Spring 4.24 7.69 1957 0.91 1924 1.91 19710526 29 13 2 0 1.2 5.5 1951
Summer 2.04 4.17 1983 0.15 1919 1.73 19230602 13 6 1 0 0.0 0.0 1949
Fall 4.39 7.59 1973 0.97 1987 1.98 19801014 26 13 2 0 2.4 17.5 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