INDEX 1 SSE, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(453909) INDEX
From Year=1894 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 39.7 33.4 36.6 48 12/1895 20 21/1929 36.6 1895 36.6 1895 0.0 0.0 9.0 0.0
February 46.7 40.5 43.6 65 19/1935 34 01/1895 43.6 1895 43.6 1895 0.0 0.0 0.0 0.0
March 48.6 41.8 45.2 64 31/1895 30 20/1935 45.2 1895 45.2 1895 0.0 1.0 0.0 0.0
April 59.2 49.0 54.1 72 26/1895 37 04/1895 54.1 1895 54.1 1895 0.0 0.0 0.0 0.0
May -99.0 -99.0 -99.0 **** 99/ - 9999 99/ - ****** 1900 ***** 1900 -99.0 -99.0 -99.0 -99.0
June -99.0 -99.0 -99.0 73 08/1935 48 07/1935 ****** 1900 ***** 1900 -99.0 -99.0 -99.0 -99.0
July -99.0 -99.0 -99.0 88 14/1935 49 01/1935 ****** 1900 ***** 1900 -99.0 -99.0 -99.0 -99.0
August -99.0 -99.0 -99.0 88 28/1948 50 16/1948 ****** 1900 ***** 1900 -99.0 -99.0 -99.0 -99.0
September -99.0 -99.0 -99.0 86 01/1935 64 24/1935 ****** 1900 ***** 1900 -99.0 -99.0 -99.0 -99.0
October -99.0 -99.0 -99.0 **** 99/ - 54 12/1935 ****** 1900 ***** 1900 -99.0 -99.0 -99.0 -99.0
November 48.9 43.4 46.1 56 07/1894 35 16/1894 46.1 1894 46.1 1894 0.0 0.0 0.0 0.0
December 41.5 36.6 39.1 49 21/1894 32 10/1894 39.1 1894 39.1 1894 0.0 0.0 1.0 0.0
Annual -99.0 -99.0 -99.0 88 19350714 20 19290121 ****** 1900 ***** 1900 -99.0 -99.0 -99.0 -99.0
Winter 42.7 36.8 39.8 65 19350219 20 19290121 39.8 1895 39.8 1895 0.0 0.0 10.0 0.0
Spring -99.0 -99.0 -99.0 72 18950426 30 19350320 -99.0 1900 -99.0 1900 -99.0 -99.0 0.0 -99.0
Summer -99.0 -99.0 -99.0 88 19350714 48 19350607 -99.0 1900 -99.0 1900 -99.0 -99.0 0.0 -99.0
Fall -99.0 -99.0 -99.0 86 19350901 35 18941116 -99.0 1900 -99.0 1900 -99.0 -99.0 0.0 -99.0
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