WHITE SWAN, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(459191) WHITE SWAN
From Year=1927 To Year=1981
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 36.9 19.8 28.4 66 30/1971 -30 21/1930 42.1 1953 12.6 1930 0.0 10.6 26.2 3.1
February 46.2 26.3 36.1 70 17/1977 -24 01/1950 44.3 1958 21.7 1929 0.0 2.7 21.7 0.6
March 56.1 31.5 43.7 80 28/1930 3 04/1960 48.6 1940 38.5 1955 0.0 0.1 17.5 0.0
April 65.1 36.5 50.7 92 25/1977 17 04/1936 55.5 1977 45.3 1967 0.1 0.0 9.2 0.0
May 73.9 42.1 58.0 100 28/1934 24 02/1928 64.3 1958 53.7 1959 1.4 0.0 3.0 0.0
June 80.1 48.0 64.0 104 17/1961 30 29/1931 69.5 1970 59.9 1971 4.6 0.0 0.2 0.0
July 88.1 51.7 69.8 111 26/1928 33 07/1971 75.0 1945 65.7 1963 14.1 0.0 0.0 0.0
August 86.4 50.1 68.3 107 06/1960 34 29/1965 75.4 1945 64.1 1957 11.7 0.0 0.0 0.0
September 78.3 45.2 61.8 98 07/1944 22 13/1970 68.1 1967 55.8 1971 2.4 0.0 1.0 0.0
October 65.8 36.2 51.0 90 02/1935 10 29/1971 57.0 1944 44.0 1930 0.0 0.0 9.8 0.0
November 49.4 29.0 39.2 74 01/1967 1 14/1955 45.2 1934 32.3 1955 0.0 0.9 18.7 0.0
December 41.5 25.1 33.3 64 21/1933 -20 17/1964 43.1 1933 23.8 1964 0.0 4.9 24.8 0.6
Annual 64.0 36.8 50.4 111 19280726 -30 19300121 51.6 1974 47.4 1929 34.3 19.2 132.2 4.3
Winter 41.5 23.7 32.6 70 19770217 -30 19300121 39.4 1958 23.2 1929 0.0 18.2 72.7 4.3
Spring 65.0 36.7 50.8 100 19340528 3 19600304 55.1 1947 46.0 1955 1.5 0.1 29.7 0.0
Summer 84.9 49.9 67.4 111 19280726 30 19310629 71.8 1961 64.5 1964 30.4 0.0 0.2 0.0
Fall 64.5 36.8 50.7 98 19440907 1 19551114 53.6 1967 47.6 1971 2.4 0.9 29.6 0.0
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