COULEE DAM 1 SW, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(451767) COULEE DAM 1 SW
From Year=1934 To Year=2012
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 1.07 2.52 1959 0.22 2007 0.86 17/1945 11 4 0 0 6.1 21.6 1950
February 0.92 3.58 1940 0.01 2005 0.97 17/1940 9 3 0 0 2.5 17.1 1959
March 0.88 4.13 2012 0.04 1969 1.50 15/2012 9 3 0 0 0.8 9.8 1951
April 0.83 2.19 1993 0.00 1985 1.10 16/2011 8 3 0 0 0.0 1.0 1955
May 1.10 3.32 1980 0.04 1938 1.35 31/1941 8 3 0 0 0.0 0.0 1938
June 1.04 4.29 1937 0.04 2003 2.31 27/1996 7 3 0 0 0.0 0.0 1937
July 0.47 2.94 1993 0.00 1943 1.29 21/1965 3 1 0 0 0.0 0.0 1935
August 0.41 1.75 1941 0.00 1934 1.22 04/1948 3 1 0 0 0.0 0.0 1934
September 0.49 2.08 1985 0.00 1943 1.38 26/1948 4 1 0 0 0.0 0.0 1934
October 0.72 2.95 1947 0.00 1952 1.36 16/2006 7 3 0 0 0.0 1.3 1971
November 1.24 3.95 1973 0.11 2004 1.12 12/1973 10 4 0 0 1.5 17.5 1955
December 1.39 3.44 1996 0.26 1976 0.95 02/1996 12 5 0 0 4.6 27.8 1964
Annual 10.55 18.00 1980 6.02 1949 2.31 19960627 90 35 3 0 15.5 43.3 1955
Winter 3.37 6.52 1980 0.75 1977 0.97 19400217 31 12 1 0 13.2 37.4 1965
Spring 2.81 6.52 2011 0.47 1985 1.50 20120315 24 9 1 0 0.8 9.8 1951
Summer 1.92 6.43 1948 0.20 1986 2.31 19960627 14 6 1 0 0.0 0.0 1943
Fall 2.45 5.78 1973 0.50 1976 1.38 19480926 21 8 1 0 1.5 17.5 1955
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