MT VERNON 3 WNW, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(455678) MOUNT VERNON 3 WNW
From Year=1956 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 45.5 33.6 39.6 66 21/1981 -4 26/1957 45.8 1986 29.8 1957 0.0 1.4 12.8 0.1
February 49.2 35.1 42.1 71 27/1986 8 15/1956 47.7 1958 33.9 1989 0.0 0.2 10.5 0.0
March 52.8 37.1 44.9 80 29/2004 9 03/1989 48.5 1986 41.0 2002 0.0 0.0 7.5 0.0
April 57.7 39.9 48.8 80 30/1976 25 01/1975 52.5 2004 45.3 1964 0.0 0.0 2.2 0.0
May 63.9 44.7 54.3 89 21/1963 32 14/1964 59.2 1993 50.9 1965 0.0 0.0 0.1 0.0
June 68.6 48.8 58.7 92 01/1970 38 22/1965 63.5 1958 55.4 1971 0.1 0.0 0.0 0.0
July 73.2 50.6 61.9 94 20/1994 38 28/1956 66.8 1958 59.6 1982 0.3 0.0 0.0 0.0
August 73.8 50.9 62.3 98 09/1960 36 29/1980 66.5 2004 59.0 1969 0.2 0.0 0.0 0.0
September 68.5 47.0 57.8 89 14/1979 30 19/1957 61.6 1995 53.9 1965 0.0 0.0 0.2 0.0
October 59.4 41.9 50.7 83 01/1987 19 29/1991 54.5 2003 47.7 1970 0.0 0.0 2.7 0.0
November 50.7 37.8 44.2 71 01/1981 7 24/1985 49.0 1995 33.0 1985 0.0 0.2 7.9 0.0
December 45.9 34.6 40.2 65 24/1963 -1 29/1968 44.9 1958 34.0 1984 0.0 1.3 12.0 0.0
Annual 59.1 41.8 50.5 98 19600809 -4 19570126 53.1 1958 48.1 1985 0.6 3.2 55.7 0.1
Winter 46.9 34.4 40.7 71 19860227 -4 19570126 45.1 1958 35.4 1969 0.0 2.9 35.3 0.1
Spring 58.1 40.5 49.3 89 19630521 9 19890303 52.4 1993 46.5 1964 0.0 0.0 9.7 0.0
Summer 71.9 50.1 61.0 98 19600809 36 19800829 64.9 1958 58.9 1980 0.6 0.0 0.0 0.0
Fall 59.5 42.2 50.9 89 19790914 7 19851124 53.9 1995 46.5 1985 0.0 0.2 10.8 0.0
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