KENNEWICK, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(454154) KENNEWICK
From Year=1894 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 1.05 3.87 1969 0.18 1962 0.92 02/2009 9 4 0 0 3.7 29.0 1969
February 0.74 3.57 1940 0.00 1967 1.56 03/1916 7 3 0 0 2.6 87.5 1899
March 0.61 1.94 1904 0.01 1964 0.90 12/1923 6 2 0 0 0.1 2.5 1916
April 0.48 1.85 1969 0.00 1906 1.09 24/1936 5 2 0 0 0.0 0.0 1905
May 0.57 2.29 1962 0.00 1920 1.18 16/1994 5 2 0 0 0.0 0.0 1904
June 0.52 2.27 1948 0.00 1919 1.42 26/1942 4 2 0 0 0.0 0.0 1904
July 0.18 1.50 1992 0.00 1894 0.88 05/1948 2 1 0 0 0.0 0.0 1910
August 0.25 1.67 1977 0.00 1894 1.11 30/1977 2 1 0 0 0.0 0.0 1904
September 0.33 1.79 1927 0.00 1908 0.91 04/1911 3 1 0 0 0.0 0.0 1904
October 0.61 3.07 1947 0.00 1895 1.21 29/1982 5 2 0 0 0.0 0.5 1973
November 1.02 3.38 1897 0.00 1929 2.00 20/1921 8 3 0 0 0.9 14.0 1921
December 1.10 3.47 1973 0.08 2011 1.13 31/1913 9 4 0 0 2.2 16.3 1955
Annual 7.48 13.66 1996 3.78 1967 2.00 19211120 65 26 2 0 9.5 34.3 1950
Winter 2.90 6.78 1940 0.86 1947 1.56 19160203 25 10 1 0 8.5 41.1 1916
Spring 1.66 3.67 1915 0.06 1964 1.18 19940516 16 6 0 0 0.1 1.4 1950
Summer 0.96 3.72 1948 0.01 1949 1.42 19420626 8 3 0 0 0.0 0.0 1917
Fall 1.96 5.16 1973 0.21 1976 2.00 19211120 16 7 1 0 0.9 14.0 1921
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