PLAIN, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(456534) PLAIN
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 33.4 18.6 26.0 59 11/1983 -30 30/1950 34.6 1994 6.5 1950 0.0 12.1 29.9 3.3
February 40.7 22.3 31.5 64 03/1962 -31 01/1950 38.0 1963 20.6 1956 0.0 3.6 26.7 1.1
March 48.4 26.3 37.4 74 31/1992 -14 05/1955 44.2 1992 30.0 1955 0.0 0.5 27.0 0.1
April 58.0 30.9 44.5 88 24/1977 17 01/1975 48.5 1990 38.2 1955 0.0 0.0 19.4 0.0
May 67.0 37.7 52.4 98 31/1986 18 01/1954 58.5 1958 46.8 1955 0.4 0.0 6.5 0.0
June 73.5 43.8 58.6 98 22/1992 26 13/1952 64.3 1992 53.9 1953 1.5 0.0 0.7 0.0
July 81.6 47.6 64.6 102 22/1959 29 07/1971 70.1 1985 58.6 1993 7.0 0.0 0.1 0.0
August 80.9 47.3 64.1 101 01/1965 30 30/1965 69.9 1967 58.9 1995 5.5 0.0 0.1 0.0
September 73.6 39.8 56.7 98 04/1988 21 13/1970 62.2 1966 52.1 1971 1.0 0.0 4.8 0.0
October 59.3 32.4 45.8 86 05/1979 8 31/2002 51.5 1988 42.6 1950 0.0 0.1 16.6 0.0
November 42.1 27.4 34.7 67 02/1959 -7 15/1955 41.2 1949 24.5 1985 0.0 2.8 24.0 0.2
December 33.5 21.4 27.4 55 03/1978 -28 30/1968 33.0 1953 18.9 1983 0.0 12.1 30.1 1.0
Annual 57.7 33.0 45.3 102 19590722 -31 19500201 47.3 2004 41.8 1955 15.5 31.3 185.9 5.6
Winter 35.9 20.8 28.3 64 19620203 -31 19500201 34.4 1967 18.0 1949 0.0 27.8 86.8 5.3
Spring 57.8 31.6 44.8 98 19860531 -14 19550305 49.1 1992 38.3 1955 0.4 0.5 52.9 0.1
Summer 78.7 46.2 62.5 102 19590722 26 19520613 66.1 1967 58.6 1954 14.1 0.0 0.9 0.0
Fall 58.3 33.2 45.8 98 19880904 -7 19551115 49.2 1987 40.7 1985 1.0 2.9 45.4 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