DAYTON 1 WSW, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(452030) DAYTON 1 WSW
From Year=1931 To Year=2005
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 40.0 25.4 32.7 69 21/1968 -22 31/1950 45.3 1953 15.5 1937 0.0 7.7 22.4 1.7
February 45.7 29.1 37.4 74 21/1995 -22 01/1950 47.0 1958 20.2 1936 0.0 2.5 18.2 0.5
March 53.4 33.7 43.5 79 31/1964 5 03/1989 49.7 1934 36.9 1955 0.0 0.2 13.0 0.0
April 61.4 38.4 49.9 93 25/1946 17 01/1936 57.7 1934 44.4 1970 0.1 0.0 5.1 0.0
May 69.6 44.4 57.0 101 29/1983 23 01/1954 62.8 1958 51.7 1962 0.9 0.0 0.6 0.0
June 77.2 50.1 63.6 107 18/1961 29 01/1951 69.6 1961 57.6 1971 3.5 0.0 0.1 0.0
July 87.1 54.7 70.9 109 19/1960 34 06/1952 76.5 1998 64.6 1993 13.1 0.0 0.0 0.0
August 85.9 53.8 69.8 114 05/1961 34 30/1952 75.1 1961 64.4 1954 11.2 0.0 0.0 0.0
September 77.0 47.1 62.1 105 11/1953 24 30/1954 68.1 1967 55.5 1985 3.5 0.0 0.5 0.0
October 64.5 38.8 51.6 92 01/1943 7 31/1935 57.3 1988 46.6 1949 0.1 0.0 5.8 0.0
November 49.2 32.0 40.6 80 02/1965 -10 15/1955 46.7 1999 27.5 1985 0.0 1.4 15.1 0.1
December 41.6 27.7 34.7 69 05/1939 -25 30/1968 42.0 1933 19.5 1985 0.0 6.2 22.1 0.6
Annual 62.7 39.6 51.2 114 19610805 -25 19681230 54.4 1934 47.1 1985 32.3 18.1 102.9 2.9
Winter 42.4 27.4 34.9 74 19950221 -25 19681230 42.1 1934 26.3 1949 0.0 16.4 62.7 2.8
Spring 61.4 38.8 50.1 101 19830529 5 19890303 56.0 1934 44.7 1955 0.9 0.2 18.7 0.0
Summer 83.4 52.8 68.1 114 19610805 29 19510601 72.8 1961 63.7 1954 27.8 0.0 0.1 0.0
Fall 63.6 39.3 51.4 105 19530911 -10 19551115 55.1 1963 43.9 1985 3.5 1.5 21.4 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