RITZVILLE, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(457059) RITZVILLE
From Year=1948 To Year=2006
Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp.
Max. Min. Mean High Date Low Date Highest
Mean		 Year Lowest
Mean		 Year >=
90 F		 <=
32 F		 <=
32 F		 <=
0 F
F F F F dd/yyyy
or
yyyymmdd		 F dd/yyyy
or
yyyymmdd		 F - F - # Days # Days # Days # Days
January 34.2 21.2 27.7 60 30/1971 -23 26/1957 39.2 1953 10.1 1949 0.0 11.6 27.7 2.1
February 41.7 25.7 33.7 66 21/1995 -24 01/1950 42.9 1958 21.1 1956 0.0 3.9 23.9 0.6
March 50.9 29.5 40.2 75 22/1960 0 03/1989 46.1 1992 33.7 1971 0.0 0.5 22.2 0.0
April 60.5 33.8 47.1 92 25/1977 16 13/1968 52.2 1987 42.2 1970 0.0 0.0 13.5 0.0
May 69.2 40.3 54.8 99 30/1983 22 01/1954 62.7 1958 49.2 1984 0.8 0.0 4.4 0.0
June 77.5 46.8 62.2 105 18/1961 29 05/1954 68.8 1961 56.4 1991 3.4 0.0 0.2 0.0
July 86.6 52.2 69.4 108 19/1960 33 02/1955 75.1 1960 61.8 1993 12.7 0.0 0.0 0.0
August 85.7 51.9 68.8 112 05/1961 32 27/1962 75.5 1961 63.7 1980 11.4 0.0 0.1 0.0
September 76.6 45.0 60.8 103 04/1988 22 24/1958 68.3 1963 53.5 1970 2.9 0.0 1.1 0.0
October 62.2 35.7 49.0 88 07/1980 8 31/2002 56.7 1952 43.7 1990 0.0 0.0 10.1 0.0
November 44.9 28.5 36.7 70 01/1988 -14 24/1985 43.4 1954 22.4 1985 0.0 2.3 21.2 0.2
December 35.7 23.1 29.4 58 27/1980 -18 17/1964 36.1 1957 17.5 1985 0.0 9.8 27.8 1.0
Annual 60.5 36.1 48.3 112 19610805 -24 19500201 51.9 1958 44.3 1985 31.1 28.1 152.1 3.9
Winter 37.2 23.3 30.2 66 19950221 -24 19500201 37.5 1958 19.9 1949 0.0 25.3 79.4 3.7
Spring 60.2 34.5 47.4 99 19830530 0 19890303 51.9 1949 42.5 1955 0.8 0.5 40.1 0.0
Summer 83.3 50.3 66.8 112 19610805 29 19540605 72.6 1961 62.4 1993 27.4 0.0 0.2 0.0
Fall 61.3 36.4 48.8 103 19880904 -14 19851124 53.7 1963 40.9 1985 2.9 2.3 32.4 0.2
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