RITZVILLE 1 SSE, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(457059) RITZVILLE
From Year=1899 To Year=2012
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 34.1 21.1 27.6 60 01/1918 -23 26/1957 39.2 1953 10.1 1949 0.0 11.9 27.7 1.9
February 41.0 25.3 33.2 66 21/1995 -24 01/1950 42.9 1958 17.0 1929 0.0 4.1 23.9 0.7
March 51.1 30.0 40.5 77 29/1923 0 03/1989 48.5 1934 33.7 1971 0.0 0.4 21.5 0.0
April 60.9 34.3 47.6 92 29/1926 11 20/1927 57.2 1934 41.1 2011 0.0 0.0 12.8 0.0
May 69.9 40.7 55.3 99 27/1936 22 01/1954 63.1 1924 49.2 1984 0.9 0.0 4.1 0.0
June 77.7 47.1 62.4 108 30/1924 29 05/1954 69.5 1922 56.4 1991 3.6 0.0 0.2 0.0
July 87.6 52.9 70.2 111 26/1928 31 30/1926 76.8 2007 61.8 1993 13.8 0.0 0.0 0.0
August 86.2 52.2 69.2 112 05/1961 32 27/1962 75.5 1961 63.7 1980 11.8 0.0 0.0 0.0
September 76.7 45.5 61.1 103 04/1988 20 24/1926 68.6 1938 53.5 1970 3.2 0.0 1.1 0.0
October 62.6 36.4 49.5 93 11/1934 5 31/1935 56.8 1944 43.7 1990 0.0 0.0 9.3 0.0
November 45.0 28.6 36.8 70 01/1988 -14 24/1985 43.4 1917 22.4 1985 0.0 2.3 21.1 0.2
December 35.6 23.2 29.4 62 18/1917 -21 12/1919 37.6 1933 17.5 1985 0.0 9.9 27.2 1.1
Annual 60.7 36.4 48.6 112 19610805 -24 19500201 53.2 1934 44.3 1985 33.4 28.6 148.7 3.9
Winter 36.9 23.2 30.1 66 19950221 -24 19500201 38.7 1934 19.9 1949 0.0 25.9 78.8 3.7
Spring 60.6 35.0 47.8 99 19360527 0 19890303 55.5 1934 42.5 1955 1.0 0.4 38.3 0.0
Summer 83.9 50.7 67.3 112 19610805 29 19540605 72.6 1961 62.4 1993 29.2 0.0 0.2 0.0
Fall 61.5 36.8 49.1 103 19880904 -14 19851124 53.7 1963 40.9 1985 3.2 2.4 31.5 0.2
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