CHELAN, WASHINGTON

Period of Record General Climate Summary - Temperature

Station:(451350) CHELAN
From Year=1890 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 32.8 22.8 27.8 62 31/1989 -6 29/1969 35.5 1981 15.5 1969 0.0 13.8 28.0 0.4
February 40.6 26.7 33.6 63 17/1977 -2 01/1996 39.6 1967 24.2 1985 0.0 3.8 22.7 0.0
March 50.9 32.7 41.8 72 29/1994 9 04/1960 46.6 2004 36.8 1971 0.0 0.4 14.5 0.0
April 60.9 39.7 50.4 88 25/1977 26 13/1968 54.9 1990 46.1 1967 0.0 0.0 2.5 0.0
May 70.1 47.8 58.9 98 18/2006 32 04/1962 66.0 1958 55.0 1984 0.3 0.0 0.1 0.0
June 77.4 55.2 66.3 102 22/1958 33 24/1983 72.2 1992 61.0 1983 3.1 0.0 0.0 0.0
July 85.1 60.6 72.9 106 22/1985 37 02/1983 78.7 1985 62.8 1983 9.9 0.0 0.0 0.0
August 85.0 59.7 72.4 105 13/1977 42 22/1960 77.6 1958 67.2 1995 9.9 0.0 0.0 0.0
September 75.2 50.8 63.0 97 01/1974 26 29/1983 69.2 1998 55.5 1983 0.8 0.0 0.1 0.0
October 61.2 40.3 50.8 88 03/2003 13 31/1984 55.9 1988 46.8 1984 0.0 0.0 2.6 0.0
November 44.3 31.8 38.0 72 01/1967 -3 29/1985 43.3 1999 24.8 1985 0.0 2.3 15.1 0.1
December 33.9 25.0 29.5 59 02/1972 -18 30/1968 36.6 1999 19.7 1984 0.0 12.1 26.4 0.4
Annual 59.8 41.1 50.4 106 19850722 -18 19681230 52.8 2004 48.2 1984 23.9 32.4 112.0 0.9
Winter 35.8 24.8 30.3 63 19770217 -18 19681230 36.4 1967 22.6 1985 0.0 29.7 77.0 0.8
Spring 60.6 40.1 50.4 98 20060518 9 19600304 53.5 2004 47.0 2011 0.3 0.4 17.1 0.0
Summer 82.5 58.5 70.5 106 19850722 33 19830624 75.1 1958 64.3 1983 22.8 0.0 0.0 0.0
Fall 60.2 41.0 50.6 97 19740901 -3 19851129 54.8 1998 44.5 1985 0.8 2.3 17.8 0.1
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