DAYTON 1 WSW, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(452030) DAYTON 1 WSW
From Year=1931 To Year=2005
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 2.37 6.23 1953 0.31 1977 1.46 10/1989 14 7 1 0 6.9 35.7 1950
February 1.79 4.51 1996 0.02 2005 1.41 10/1961 11 6 1 0 3.2 19.2 1933
March 2.02 4.56 1931 0.32 1992 2.08 31/1931 13 7 1 0 1.4 12.0 1951
April 1.60 3.99 1958 0.26 1956 1.30 28/1990 10 5 1 0 0.1 1.1 2003
May 1.50 4.28 1991 0.12 1935 1.92 31/2000 9 4 1 0 0.0 0.0 1931
June 1.28 3.54 1941 0.00 2003 1.51 25/1942 7 4 1 0 0.0 0.0 1931
July 0.46 2.42 1978 0.00 1944 1.42 27/1941 3 1 0 0 0.0 0.0 1931
August 0.52 2.33 1977 0.00 1931 1.22 30/1977 4 2 0 0 0.0 0.0 1931
September 0.86 2.64 1947 0.00 1990 1.22 02/1971 5 3 0 0 0.0 0.0 1931
October 1.65 4.41 1947 0.00 1936 1.48 09/1955 9 5 1 0 0.1 1.7 1991
November 2.45 5.83 1973 0.04 1936 2.18 01/1994 14 7 1 0 1.2 12.0 1985
December 2.53 6.31 1996 0.28 1986 1.50 06/1958 14 8 1 0 5.0 24.1 1996
Annual 19.03 30.71 1996 12.07 1944 2.18 19941101 113 58 8 1 17.7 57.8 1996
Winter 6.69 11.94 1996 1.48 2005 1.50 19581206 39 20 3 0 15.0 44.5 1937
Spring 5.12 8.18 1962 2.42 1968 2.08 19310331 32 16 2 0 1.4 12.0 1951
Summer 2.26 6.24 1941 0.45 1949 1.51 19420625 14 7 1 0 0.0 0.0 1931
Fall 4.96 9.98 1955 0.78 1987 2.18 19941101 28 15 2 0 1.3 12.0 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