SEATTLE URBAN SITE, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(457458) SEATTLE URBAN SITE
From Year=1972 To Year=1998
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 47.1 36.7 41.9 64 20/1981 16 08/1973 46.0 1983 36.2 1979 0.0 0.4 7.8 0.0
February 50.7 37.8 44.2 70 27/1986 11 04/1989 48.3 1991 36.6 1989 0.0 0.2 4.7 0.0
March 54.8 40.0 47.4 74 30/1995 23 03/1989 50.4 1986 43.9 1976 0.0 0.0 1.7 0.0
April 59.4 43.5 51.5 85 30/1976 32 05/1997 54.6 1987 47.3 1975 0.0 0.0 0.0 0.0
May 65.1 48.8 56.9 88 14/1973 38 11/1985 61.2 1993 53.6 1977 0.0 0.0 0.0 0.0
June 69.8 53.2 61.5 93 30/1995 42 01/1976 64.9 1992 58.6 1991 0.3 0.0 0.0 0.0
July 74.4 56.7 65.6 96 23/1991 47 02/1979 69.5 1985 62.9 1993 0.6 0.0 0.0 0.0
August 74.6 57.3 65.9 94 08/1981 48 18/1973 69.4 1981 62.2 1973 0.5 0.0 0.0 0.0
September 70.0 53.2 61.6 91 02/1988 41 29/1985 65.0 1994 58.6 1977 0.1 0.0 0.0 0.0
October 60.4 46.9 53.6 82 05/1980 31 30/1991 56.0 1993 51.5 1984 0.0 0.0 0.0 0.0
November 51.4 40.7 46.0 71 04/1980 13 23/1985 50.3 1995 37.3 1985 0.0 0.3 3.2 0.0
December 46.7 37.0 41.8 65 15/1980 12 23/1983 45.7 1980 37.0 1983 0.0 0.6 7.1 0.0
Annual 60.4 46.0 53.2 96 19910723 11 19890204 54.6 1995 51.3 1985 1.5 1.5 24.4 0.0
Winter 48.2 37.2 42.7 70 19860227 11 19890204 45.6 1981 38.9 1979 0.0 1.2 19.5 0.0
Spring 59.8 44.1 51.9 88 19730514 23 19890303 54.7 1987 49.1 1975 0.0 0.0 1.7 0.0
Summer 72.9 55.7 64.3 96 19910723 42 19760601 66.1 1992 62.3 1980 1.4 0.0 0.0 0.0
Fall 60.6 47.0 53.8 91 19880902 13 19851123 56.2 1995 49.6 1985 0.1 0.3 3.2 0.0
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