ATTU N A U, ALASKA

Period of Record General Climate Summary - Temperature

Station:(500452) ATTU N A U
From Year=1949 To Year=1993
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 34.4 26.3 30.3 49 10/1981 5 15/1975 35.1 1969 22.2 1993 0.0 9.2 26.0 0.0
February 34.0 26.4 30.2 51 07/1982 7 17/1988 36.8 1982 26.5 1988 0.0 9.2 25.1 0.0
March 35.3 27.6 31.5 49 09/1980 -5 21/1985 35.4 1980 26.2 1985 0.0 5.5 26.7 0.0
April 38.5 31.0 34.8 90 08/1965 10 30/1983 39.3 1982 31.3 1988 0.0 1.2 19.6 0.0
May 42.7 35.1 38.9 59 28/1981 15 02/1988 41.1 1962 36.0 1955 0.0 0.0 5.7 0.0
June 48.4 39.4 43.9 64 11/1964 19 20/1985 47.6 1981 37.0 1992 0.0 0.0 1.2 0.0
July 52.6 44.2 48.3 72 22/1985 24 27/1985 53.7 1981 46.0 1983 0.0 0.0 0.1 0.0
August 55.1 45.8 50.5 70 12/1983 28 13/1967 56.4 1989 42.5 1992 0.0 0.0 0.6 0.0
September 52.2 43.3 47.8 68 10/1989 20 28/1964 54.5 1989 38.8 1992 0.0 0.0 1.2 0.0
October 46.8 37.4 42.1 61 09/1985 21 12/1971 49.1 1975 38.2 1964 0.0 0.0 4.6 0.0
November 40.0 31.0 35.5 54 12/1989 -15 27/1986 41.7 1989 30.6 1977 0.0 1.4 18.1 0.1
December 35.7 28.1 31.9 49 04/1950 2 07/1971 35.0 1981 25.4 1982 0.0 6.8 24.2 0.0
Annual 43.0 34.6 38.8 90 19650408 -15 19861127 40.3 1963 37.8 1964 0.0 33.4 153.0 0.1
Winter 34.7 26.9 30.8 51 19820207 2 19711207 35.4 1982 26.0 1987 0.0 25.2 75.3 0.0
Spring 38.9 31.2 35.0 90 19650408 -5 19850321 37.5 1962 32.1 1988 0.0 6.7 52.0 0.0
Summer 52.0 43.1 47.5 72 19850722 19 19850620 51.3 1981 45.5 1983 0.0 0.0 1.9 0.0
Fall 46.3 37.2 41.8 68 19890910 -15 19861127 48.0 1989 38.8 1964 0.0 1.4 23.8 0.1
Table updated on Jul 28, 2006
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