COLVILLE AIRPORT, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(451650) COLVILLE AIRPORT
From Year=1948 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 2.13 3.91 1959 0.40 1985 1.44 07/1962 14 7 1 0 14.6 33.5 1969
February 1.55 3.29 1980 0.26 1964 1.21 15/1986 11 6 0 0 6.6 20.4 1986
March 1.44 3.55 1987 0.18 1965 1.04 01/1982 11 5 0 0 2.3 9.4 1980
April 1.13 3.23 1986 0.03 1977 1.18 28/1953 8 4 0 0 0.1 2.8 1970
May 1.62 3.60 1981 0.22 1950 1.17 19/1957 10 5 1 0 0.0 0.5 1974
June 1.63 5.52 1984 0.16 1974 1.73 21/1984 9 5 1 0 0.0 0.0 1949
July 0.90 4.01 1981 0.00 1952 1.31 20/1981 6 3 0 0 0.0 0.0 1949
August 1.07 3.68 1976 0.00 1955 1.02 25/1976 6 3 1 0 0.0 0.0 1948
September 0.96 3.11 1986 0.01 1975 0.85 04/1960 6 3 0 0 0.0 0.0 1948
October 1.23 3.57 1950 0.07 1974 0.96 05/1949 9 4 0 0 0.2 3.0 1957
November 2.30 6.36 1973 0.30 1956 1.29 11/1968 13 7 1 0 6.6 24.2 1973
December 2.41 4.73 1968 0.72 1978 0.96 18/1951 14 8 1 0 15.0 30.7 1964
Annual 18.36 27.75 1983 12.12 1952 1.73 19840621 115 59 6 0 45.6 69.4 1964
Winter 6.08 10.19 1969 1.82 1977 1.44 19620107 38 21 2 0 36.3 64.0 1969
Spring 4.19 7.63 1984 1.46 1956 1.18 19530428 29 14 1 0 2.5 9.4 1980
Summer 3.60 6.97 1981 1.38 1962 1.73 19840621 21 10 2 0 0.0 0.0 1949
Fall 4.49 9.31 1973 1.22 1952 1.29 19681111 28 14 2 0 6.8 24.2 1973
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