DUTCH HARBOR, ALASKA

Period of Record General Climate Summary - Temperature

Station:(502587) DUTCH HARBOR
From Year=1951 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 36.7 28.0 32.4 58 11/1952 -8 22/1986 38.4 2005 26.9 2012 0.0 7.0 22.1 0.0
February 37.4 27.8 32.6 54 13/2006 0 05/1991 37.3 2007 23.2 1984 0.0 5.2 20.2 0.0
March 38.5 28.2 33.3 61 06/1985 2 14/1983 38.8 1996 27.4 2010 0.0 4.7 22.5 0.0
April 40.8 31.4 36.2 58 30/1999 -5 01/1997 40.7 2003 33.0 1952 0.0 1.9 16.6 0.0
May 46.0 36.7 41.4 60 29/1997 15 02/1984 45.7 2004 38.4 2001 0.0 0.1 4.1 0.0
June 51.5 41.8 46.7 73 28/1985 30 19/2004 48.5 1996 44.5 1989 0.0 0.0 0.1 0.0
July 56.8 45.9 51.3 75 28/1994 21 20/2006 53.0 2001 49.3 1992 0.0 0.0 0.0 0.0
August 58.8 47.6 53.3 81 12/2007 30 15/2004 57.1 1997 50.1 2008 0.0 0.0 0.1 0.0
September 53.9 43.5 48.6 74 06/1985 19 02/1991 52.6 2010 46.1 1987 0.0 0.0 0.7 0.0
October 47.3 37.3 42.3 65 04/1995 11 19/1994 44.5 2004 39.3 1992 0.0 0.0 4.4 0.0
November 42.5 32.1 37.3 57 01/1991 8 19/1991 41.2 2003 32.3 1991 0.0 0.6 14.3 0.0
December 39.0 30.3 34.6 59 08/1994 5 27/1989 39.8 1990 29.2 1952 0.0 3.7 18.7 0.0
Annual 45.8 35.9 40.9 81 20070812 -8 19860122 42.8 2005 39.4 1992 0.0 23.2 123.9 0.1
Winter 37.7 28.7 33.2 59 19941208 -8 19860122 36.5 2005 29.2 1954 0.0 16.0 61.0 0.0
Spring 41.8 32.1 37.0 61 19850306 -5 19970401 40.2 2002 33.9 1994 0.0 6.7 43.3 0.0
Summer 55.7 45.1 50.5 81 20070812 21 20060720 52.6 1997 48.9 1992 0.0 0.0 0.2 0.0
Fall 47.9 37.7 42.8 74 19850906 8 19911119 45.1 2003 39.8 1992 0.0 0.6 19.4 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