COULEE DAM 1 SW, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(451767) COULEE DAM 1 SW
From Year=1948 To Year=2006
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 1.12 2.52 1959 0.25 1963 0.70 23/1986 11 4 0 0 6.5 21.6 1950
February 0.91 3.12 1980 0.01 2005 0.90 12/1997 9 3 0 0 2.3 17.1 1959
March 0.86 2.64 1983 0.04 1969 0.95 09/1995 9 3 0 0 0.8 9.8 1951
April 0.79 2.19 1993 0.00 1985 0.81 23/1997 8 3 0 0 0.0 1.0 1955
May 1.13 3.32 1980 0.12 1992 1.23 18/1972 8 3 0 0 0.0 0.0 1949
June 0.90 3.26 1948 0.04 2003 2.31 27/1996 7 3 0 0 0.0 0.0 1948
July 0.52 2.94 1993 0.00 1960 1.29 21/1965 4 1 0 0 0.0 0.0 1948
August 0.48 1.71 1968 0.00 1955 1.22 04/1948 4 1 0 0 0.0 0.0 1948
September 0.50 2.08 1985 0.00 1987 1.38 26/1948 4 1 0 0 0.0 0.0 1948
October 0.66 2.51 1950 0.00 1952 0.56 17/2004 7 2 0 0 0.0 1.3 1971
November 1.28 3.95 1973 0.11 2004 1.12 12/1973 11 5 0 0 1.4 17.5 1955
December 1.48 3.44 1996 0.26 1976 0.95 02/1996 12 5 0 0 5.1 27.8 1964
Annual 10.62 18.00 1980 6.02 1949 2.31 19960627 94 36 3 0 16.1 43.3 1955
Winter 3.51 6.52 1980 0.75 1977 0.95 19961202 33 13 1 0 13.9 37.4 1965
Spring 2.78 5.91 1980 0.47 1985 1.23 19720518 25 9 1 0 0.8 9.8 1951
Summer 1.90 6.43 1948 0.20 1986 2.31 19960627 14 6 1 0 0.0 0.0 1948
Fall 2.43 5.78 1973 0.50 1976 1.38 19480926 22 8 1 0 1.5 17.5 1955
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