VASHON ISLAND, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(458802) VASHON ISLAND
From Year=1891 To Year=1955
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 43.8 33.8 38.7 66 28/1920 8 22/1943 45.0 1953 27.3 1950 0.0 1.8 11.5 0.0
February 47.2 35.0 41.3 69 19/1946 9 03/1899 46.3 1926 35.0 1929 0.0 0.5 8.7 0.0
March 52.1 36.7 44.4 78 19/1928 21 14/1906 50.6 1941 39.9 1922 0.0 0.0 6.1 0.0
April 58.6 39.7 49.0 85 14/1926 25 01/1935 55.0 1926 45.1 1922 0.0 0.0 1.7 0.0
May 64.5 44.1 54.3 88 12/1926 29 01/1954 57.3 1949 50.9 1922 0.0 0.0 0.1 0.0
June 69.7 48.2 58.9 95 30/1942 32 08/1892 62.5 1951 54.4 1901 0.1 0.0 0.0 0.0
July 74.7 51.1 62.9 96 01/1942 38 12/1911 66.7 1941 59.7 1954 0.4 0.0 0.0 0.0
August 74.0 51.6 62.8 98 04/1892 40 07/1918 68.0 1891 58.0 1910 0.4 0.0 0.0 0.0
September 68.0 49.1 58.5 93 12/1924 32 24/1926 62.5 1918 54.5 1908 0.0 0.0 0.0 0.0
October 58.3 44.7 51.5 83 02/1917 21 31/1935 55.8 1944 45.8 1935 0.0 0.1 0.4 0.0
November 51.0 39.7 45.4 78 21/1917 18 21/1900 50.5 1917 40.1 1946 0.0 0.1 3.1 0.0
December 45.7 36.3 41.0 64 06/1939 7 12/1919 46.0 1917 36.5 1909 0.0 0.6 7.5 0.0
Annual 59.0 42.5 50.7 98 18920804 7 19191212 53.3 1926 48.9 1909 0.9 3.1 39.2 0.0
Winter 45.5 35.0 40.3 69 19460219 7 19191212 43.7 1941 35.5 1949 0.0 2.9 27.8 0.0
Spring 58.4 40.2 49.2 88 19260512 21 19060314 53.8 1926 45.3 1922 0.0 0.0 7.9 0.0
Summer 72.8 50.3 61.5 98 18920804 32 18920608 63.8 1942 58.2 1910 0.9 0.0 0.0 0.0
Fall 59.1 44.5 51.8 93 19240912 18 19001121 54.7 1917 48.3 1946 0.0 0.1 3.5 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