COULEE DAM 1 SW, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(451767) COULEE DAM 1 SW
From Year=1934 To Year=2012
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 32.2 21.6 26.9 61 22/1981 -17 30/1950 36.1 1953 8.4 1950 0.0 14.4 27.3 1.7
February 39.7 25.7 32.7 61 20/1995 -15 01/1950 40.7 1958 15.8 1936 0.0 4.6 22.7 0.5
March 50.7 31.5 41.1 74 23/1939 0 04/1955 49.2 1941 33.3 1955 0.0 0.5 17.3 0.0
April 61.7 38.2 50.0 92 17/1936 20 02/1936 56.6 1941 43.7 1955 0.0 0.0 5.5 0.0
May 71.0 45.8 58.4 100 30/1986 21 12/2002 65.8 1936 52.8 1955 0.8 0.0 0.3 0.0
June 78.5 52.5 65.5 105 21/1938 36 25/2001 72.3 1992 59.2 1953 3.7 0.0 0.0 0.0
July 87.6 58.3 73.0 113 27/1939 40 02/2000 81.0 1985 65.0 1993 13.6 0.0 0.0 0.0
August 86.4 57.5 71.9 110 04/1961 38 31/1951 77.4 1939 66.4 1954 11.6 0.0 0.0 0.0
September 77.2 50.3 63.8 104 02/1938 30 23/1970 72.4 1950 55.7 1986 2.8 0.0 0.1 0.0
October 61.5 40.6 51.1 90 02/1935 7 31/2002 57.2 1936 46.5 2009 0.0 0.0 3.1 0.0
November 43.6 31.4 37.5 69 09/1989 -10 30/1985 44.6 1934 23.6 1985 0.0 2.5 15.7 0.1
December 34.4 24.6 29.5 58 18/1936 -16 30/1968 38.6 1939 19.8 1983 0.0 11.7 25.4 0.5
Annual 60.4 39.8 50.1 113 19390727 -17 19500130 54.0 1940 46.3 1955 32.6 33.9 117.4 2.8
Winter 35.4 24.0 29.7 61 19810122 -17 19500130 36.7 1958 18.7 1949 0.0 30.8 75.5 2.7
Spring 61.1 38.5 49.8 100 19860530 0 19550304 55.5 1941 43.3 1955 0.9 0.5 23.1 0.0
Summer 84.2 56.1 70.1 113 19390727 36 20010625 74.8 1938 65.4 1954 28.9 0.0 0.0 0.0
Fall 60.8 40.8 50.8 104 19380902 -10 19851130 55.3 1937 43.7 1985 2.8 2.6 18.8 0.1
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