COULEE DAM 1 SW, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(451767) COULEE DAM 1 SW
From Year=1948 To Year=2006
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 32.1 21.4 26.7 61 22/1981 -17 30/1950 36.1 1953 8.4 1950 0.0 14.2 27.5 1.8
February 39.8 25.8 32.8 61 20/1995 -15 01/1950 40.7 1958 22.2 1956 0.0 4.7 22.5 0.5
March 50.2 31.2 40.7 73 14/1994 0 04/1955 47.8 1992 33.3 1955 0.0 0.6 17.8 0.0
April 61.2 38.1 49.7 91 25/1977 23 19/1977 54.3 1987 43.7 1955 0.0 0.0 5.6 0.0
May 70.4 45.6 58.0 100 30/1986 21 12/2002 65.2 1958 52.8 1955 0.6 0.0 0.4 0.0
June 78.5 52.6 65.5 102 23/1973 36 25/2001 72.3 1992 59.2 1953 3.7 0.0 0.0 0.0
July 86.8 58.1 72.4 108 18/1960 40 02/2000 81.0 1985 65.0 1993 12.4 0.0 0.0 0.0
August 85.8 57.5 71.7 110 04/1961 38 31/1951 77.3 1971 66.4 1954 10.9 0.0 0.0 0.0
September 76.4 50.1 63.2 103 03/1988 30 23/1970 72.4 1950 55.7 1986 2.1 0.0 0.1 0.0
October 60.9 40.2 50.6 84 02/1988 7 31/2002 56.5 1988 46.7 2002 0.0 0.0 3.3 0.0
November 43.6 31.4 37.5 69 09/1989 -10 30/1985 43.5 1949 23.6 1985 0.0 2.6 15.6 0.1
December 34.0 24.3 29.2 58 26/1980 -16 30/1968 35.5 1957 19.8 1983 0.0 12.1 25.8 0.6
Annual 60.0 39.7 49.8 110 19610804 -17 19500130 52.5 1958 46.3 1955 29.8 34.2 118.6 3.0
Winter 35.3 23.8 29.6 61 19810122 -17 19500130 36.7 1958 18.7 1949 0.0 31.0 75.8 2.9
Spring 60.6 38.3 49.5 100 19860530 0 19550304 54.3 1992 43.3 1955 0.7 0.6 23.8 0.0
Summer 83.7 56.1 69.9 110 19610804 36 20010625 73.9 1958 65.4 1954 27.1 0.0 0.0 0.0
Fall 60.3 40.6 50.4 103 19880903 -10 19851130 54.5 1987 43.7 1985 2.1 2.6 19.0 0.1
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