COLVILLE AP, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(451650) COLVILLE AIRPORT
From Year=1937 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 2.00 3.91 1959 0.40 1985 1.44 07/1962 13 7 1 0 13.9 33.5 1969
February 1.55 3.29 1980 0.26 1964 1.21 15/1986 11 6 0 0 6.3 20.4 1986
March 1.33 3.55 1987 0.15 1948 1.04 01/1982 10 4 0 0 2.2 9.4 1980
April 1.10 3.23 1986 0.03 1977 1.18 28/1953 8 4 0 0 0.2 2.8 1970
May 1.65 6.00 1942 0.22 1950 1.84 26/1942 10 5 1 0 0.0 0.5 1974
June 1.67 5.52 1984 0.16 1974 1.73 21/1984 10 5 1 0 0.0 0.0 1937
July 0.82 4.01 1981 0.00 1952 1.31 20/1981 5 2 0 0 0.0 0.0 1943
August 0.96 3.68 1976 0.00 1944 1.08 26/1941 5 3 1 0 0.0 0.0 1943
September 0.99 3.11 1986 0.01 1975 1.05 20/1945 6 3 0 0 0.0 0.0 1943
October 1.34 4.04 1947 0.07 1974 1.16 01/1940 9 4 0 0 0.3 3.2 1945
November 2.24 6.36 1973 0.30 1956 1.29 11/1968 13 7 1 0 6.6 24.2 1973
December 2.27 4.73 1968 0.72 1978 0.96 18/1951 14 8 1 0 13.6 30.7 1964
Annual 17.92 27.75 1983 10.86 1943 1.84 19420526 114 57 6 0 43.1 69.4 1964
Winter 5.82 10.19 1969 1.82 1977 1.44 19620107 38 20 2 0 33.8 64.0 1969
Spring 4.08 7.75 1942 1.46 1956 1.84 19420526 28 13 1 0 2.4 9.4 1980
Summer 3.45 6.97 1981 1.04 1938 1.73 19840621 20 10 2 0 0.0 0.0 1943
Fall 4.57 9.31 1973 1.22 1952 1.29 19681111 28 14 2 0 6.9 24.2 1973
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