SPOKANE WSO AIRPORT, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(457938) SPOKANE WSO AIRPORT
From Year=1889 To Year=2006
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 1.99 4.96 1959 0.38 1985 1.26 21/1954 14 7 1 0 12.9 56.9 1950
February 1.54 5.62 1940 0.04 2005 1.10 01/1927 11 5 0 0 7.5 37.8 1893
March 1.39 3.81 1995 0.12 1909 0.96 09/1989 11 5 0 0 3.4 16.4 1897
April 1.11 3.97 1893 0.08 1956 1.23 13/2000 9 4 0 0 0.5 6.6 1964
May 1.42 5.71 1948 0.06 1935 2.19 21/2004 9 4 1 0 0.1 3.5 1967
June 1.20 4.16 1905 0.01 1919 1.66 17/1897 8 3 1 0 0.0 0.0 1893
July 0.55 2.37 1909 0.00 1917 1.08 01/1892 4 2 0 0 0.0 0.0 1893
August 0.63 2.12 1923 0.00 1915 1.44 20/1923 4 2 0 0 0.0 0.0 1893
September 0.80 5.58 1927 0.00 1990 1.51 10/1927 6 3 0 0 0.0 1.4 1926
October 1.17 5.41 1947 0.00 1895 1.41 19/1899 8 4 0 0 0.2 6.1 1957
November 2.08 5.85 1897 0.00 1929 1.41 08/1902 12 6 1 0 5.3 24.7 1955
December 2.20 5.13 1964 0.54 1943 1.39 09/1987 14 7 1 0 11.0 42.0 1964
Annual 16.08 26.07 1948 7.54 1929 2.19 20040521 112 51 6 0 40.9 100.5 1964
Winter 5.72 10.37 1890 1.87 1977 1.39 19871209 40 19 2 0 31.4 81.9 1950
Spring 3.92 9.24 1948 0.54 1924 2.19 20040521 29 13 1 0 4.0 16.4 1897
Summer 2.38 5.92 1923 0.48 1949 1.66 18970617 16 7 1 0 0.0 0.0 1893
Fall 4.06 11.45 1927 0.79 1929 1.51 19270910 26 13 1 0 5.5 24.7 1955
Table updated on Jul 28, 2006
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