COLVILLE AP, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(451650) COLVILLE AIRPORT
From Year=1937 To Year=1987
Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp.
Max. Min. Mean High Date Low Date Highest
Mean
Year Lowest
Mean
Year >=
90 F
<=
32 F
<=
32 F
<=
0 F
F F F F dd/yyyy
or
yyyymmdd
F dd/yyyy
or
yyyymmdd
F - F - # Days # Days # Days # Days
January 31.1 17.7 24.4 53 07/1945 -24 18/1943 37.1 1953 7.7 1949 0.0 15.7 28.8 3.6
February 39.1 22.9 31.0 62 29/1968 -24 01/1950 37.8 1958 22.1 1949 0.0 4.4 24.6 0.9
March 48.6 27.7 38.2 72 25/1960 -5 13/1950 43.7 1986 30.2 1955 0.0 0.6 23.3 0.1
April 59.5 34.0 46.7 91 24/1977 18 29/1954 52.6 1987 41.9 1955 0.0 0.0 12.9 0.0
May 68.6 41.1 54.9 96 27/1958 20 01/1954 62.2 1958 50.1 1955 0.5 0.0 3.2 0.0
June 75.8 47.5 61.6 99 22/1973 30 04/1937 66.6 1958 57.5 1966 2.4 0.0 0.2 0.0
July 85.1 51.0 68.1 107 17/1941 33 07/1971 74.7 1985 63.0 1983 11.0 0.0 0.0 0.0
August 83.9 49.9 66.9 107 11/1941 33 24/1937 72.8 1986 61.7 1964 9.3 0.0 0.0 0.0
September 73.8 42.7 58.3 99 02/1950 23 28/1984 66.1 1938 52.9 1965 1.9 0.0 2.4 0.0
October 58.5 34.2 46.3 85 07/1943 8 31/1984 51.7 1944 42.5 1946 0.0 0.1 12.5 0.0
November 40.8 26.9 33.9 67 03/1975 -16 28/1985 40.4 1954 20.3 1985 0.0 3.5 21.9 0.5
December 32.8 21.3 27.0 58 27/1980 -33 30/1968 34.5 1979 17.4 1978 0.0 13.9 27.8 1.5
Annual 58.1 34.7 46.4 107 19410717 -33 19681230 49.1 1958 43.9 1955 25.1 38.1 157.6 6.6
Winter 34.3 20.6 27.5 62 19680229 -33 19681230 34.3 1953 16.4 1949 0.0 34.0 81.2 6.0
Spring 58.9 34.3 46.6 96 19580527 -5 19500313 51.4 1987 40.7 1955 0.5 0.6 39.4 0.1
Summer 81.6 49.5 65.5 107 19410717 30 19370604 70.2 1958 62.2 1976 22.7 0.0 0.2 0.0
Fall 57.7 34.6 46.2 99 19500902 -16 19851128 49.8 1937 40.0 1985 1.9 3.5 36.8 0.5
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