SEATTLE URBAN SITE, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(457458) SEATTLE URBAN SITE
From Year=1972 To Year=1998
Precipitation Total Snowfall
Mean High Year Low Year 1 Day Max. >=
0.01 in.		 >=
0.10 in.		 >=
0.50 in.		 >=
1.00 in.		 Mean High Year
in. in. - in. - in. dd/yyyy
or
yyyymmdd		 # Days # Days # Days # Days in. in. -
January 5.01 10.38 1986 0.60 1985 4.22 18/1986 16 11 3 1 1.4 11.9 1980
February 3.92 7.53 1996 0.54 1993 2.63 08/1996 16 10 2 0 0.7 6.0 1990
March 3.80 8.74 1997 1.32 1979 2.10 18/1997 17 11 2 0 0.3 7.1 1989
April 2.81 5.80 1996 0.87 1998 2.20 23/1996 14 8 2 0 0.0 0.0 1973
May 1.99 4.24 1977 0.57 1982 1.23 22/1996 12 6 1 0 0.0 0.0 1973
June 1.52 3.17 1984 0.12 1987 1.33 07/1985 9 4 1 0 0.0 0.0 1973
July 0.95 2.16 1978 0.05 1975 0.91 08/1997 6 3 1 0 0.0 0.0 1973
August 1.30 5.49 1977 0.11 1974 1.54 23/1977 6 3 1 0 0.0 0.0 1973
September 1.61 5.62 1978 0.00 1993 1.09 09/1978 8 5 1 0 0.0 0.0 1973
October 3.35 8.04 1975 0.29 1987 2.57 06/1981 12 8 2 1 0.0 0.0 1973
November 5.63 11.20 1983 0.50 1976 2.47 24/1990 18 13 4 1 0.7 9.6 1985
December 6.03 11.97 1996 1.22 1985 2.75 29/1996 17 12 4 1 1.8 22.5 1996
Annual 37.92 51.56 1996 27.78 1976 4.22 19860118 151 93 23 5 4.9 24.1 1996
Winter 14.96 22.28 1974 6.24 1977 4.22 19860118 49 33 10 2 3.9 22.5 1997
Spring 8.59 16.36 1997 3.59 1973 2.20 19960423 42 24 4 1 0.3 7.1 1989
Summer 3.78 6.88 1977 1.02 1987 1.54 19770823 21 10 2 0 0.0 0.0 1973
Fall 10.59 14.91 1981 3.65 1987 2.57 19811006 38 25 7 2 0.7 9.6 1985
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