KETCHIKAN, ALASKA

Period of Record General Climate Summary - Temperature

Station:(504590) KETCHIKAN
From Year=1949 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 38.9 28.6 33.7 62 06/1958 -2 19/2012 43.7 1981 20.7 1950 0.0 5.2 18.3 0.1
February 41.8 31.1 36.4 63 08/1963 2 24/1994 43.5 1963 29.9 1975 0.0 1.8 15.1 0.0
March 44.0 32.1 38.0 60 29/1994 3 03/1955 42.5 1984 31.1 2002 0.0 0.7 15.4 0.0
April 50.0 36.0 43.0 75 28/1976 19 03/2007 47.0 1958 37.8 1972 0.0 0.0 6.8 0.0
May 56.4 41.4 48.9 87 21/1963 27 03/2002 53.5 1993 44.6 1999 0.0 0.0 1.0 0.0
June 61.5 47.3 54.4 89 20/1958 33 30/2009 62.2 1958 50.2 1973 0.0 0.0 0.0 0.0
July 64.9 51.2 58.1 87 08/1975 39 06/1973 63.8 1958 53.9 1973 0.0 0.0 0.0 0.0
August 65.2 51.6 58.4 89 14/1977 15 30/2006 63.5 1977 54.5 1973 0.0 0.0 0.0 0.0
September 59.9 47.3 53.6 80 04/1949 29 26/1972 58.3 1957 49.0 1992 0.0 0.0 0.1 0.0
October 51.8 40.8 46.3 69 06/1964 17 31/1984 51.0 1952 42.7 1991 0.0 0.0 2.7 0.0
November 44.5 34.5 39.5 65 02/1949 5 28/2006 47.3 1949 30.5 1973 0.0 1.2 10.1 0.0
December 40.5 31.1 35.8 62 12/1962 -1 15/1964 42.1 1989 26.6 1964 0.0 3.2 16.1 0.0
Annual 51.6 39.4 45.5 89 19580620 -2 20120119 48.7 1958 43.0 1971 0.0 12.1 85.7 0.2
Winter 40.4 30.2 35.3 63 19630208 -2 20120119 39.7 1961 28.9 1972 0.0 10.1 49.6 0.2
Spring 50.1 36.5 43.3 87 19630521 3 19550303 46.8 1958 38.9 2002 0.0 0.7 23.2 0.0
Summer 63.8 50.1 57.0 89 19580620 15 20060830 61.5 1958 52.8 1973 0.0 0.0 0.0 0.0
Fall 52.1 40.9 46.5 80 19490904 5 20061128 50.3 1954 41.9 1973 0.0 1.2 13.0 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