KENNEWICK, WASHINGTON

Period of Record General Climate Summary - Precipitation

Station:(454154) KENNEWICK
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 1.10 3.87 1969 0.18 1962 0.86 09/1953 10 4 0 0 3.6 29.0 1969
February 0.73 1.83 1961 0.00 1967 0.70 21/1956 7 3 0 0 0.8 6.2 1949
March 0.65 1.77 1957 0.01 1964 0.62 24/1986 7 2 0 0 0.1 1.4 1950
April 0.50 1.85 1969 0.00 1956 0.95 06/1969 5 2 0 0 0.0 0.0 1949
May 0.59 2.29 1962 0.02 1964 1.18 16/1994 5 2 0 0 0.0 0.0 1949
June 0.48 2.27 1948 0.00 1986 0.77 11/1948 4 2 0 0 0.0 0.0 1948
July 0.22 1.50 1992 0.00 1949 0.88 05/1948 2 1 0 0 0.0 0.0 1948
August 0.28 1.67 1977 0.00 1949 1.11 30/1977 2 1 0 0 0.0 0.0 1948
September 0.31 1.63 1980 0.00 1953 0.81 13/1980 3 1 0 0 0.0 0.0 1948
October 0.59 2.37 1950 0.00 1978 1.21 29/1982 5 2 0 0 0.0 0.5 1973
November 0.99 2.91 1973 0.09 1976 1.33 19/1996 9 4 0 0 0.2 5.3 1955
December 1.13 3.47 1973 0.17 1999 0.85 12/1995 10 4 0 0 1.7 16.3 1955
Annual 7.57 13.66 1996 3.78 1967 1.33 19961119 70 26 2 0 6.5 34.3 1950
Winter 2.97 5.68 1956 0.97 1971 0.86 19530109 28 11 0 0 6.2 30.6 1950
Spring 1.74 3.35 1962 0.06 1964 1.18 19940516 18 6 0 0 0.1 1.4 1950
Summer 0.98 3.72 1948 0.01 1949 1.11 19770830 9 3 0 0 0.0 0.0 1948
Fall 1.89 5.16 1973 0.21 1976 1.33 19961119 17 7 0 0 0.3 5.3 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