DULUTH INTL AP, MINNESOTA

Period of Record General Climate Summary - Temperature

Station:(212248) DULUTH WSO AP
From Year=1948 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 17.3 -0.6 8.3 48 08/2003 -39 15/1972 23.7 2006 -3.2 1982 0.0 28.1 31.0 16.5
February 22.9 4.2 13.5 55 24/1976 -39 02/1996 29.0 1998 3.4 1989 0.0 22.1 27.9 11.7
March 33.2 15.7 24.4 75 17/2012 -29 02/1989 39.2 2012 15.8 1965 0.0 14.8 28.8 4.4
April 48.3 29.4 38.9 88 27/1952 -5 03/1954 46.1 1987 28.7 1950 0.0 1.9 19.8 0.1
May 61.7 39.9 50.8 90 22/1964 17 03/1967 57.4 1977 44.1 1954 0.0 0.0 5.2 0.0
June 70.7 48.8 59.8 94 18/1995 27 10/1972 65.1 1995 53.8 1969 0.3 0.0 0.3 0.0
July 76.4 54.9 65.7 97 07/1988 35 01/1988 71.9 2006 59.4 1992 0.9 0.0 0.0 0.0
August 74.0 53.6 63.8 95 07/1949 32 27/1986 69.7 1983 58.3 1950 0.7 0.0 0.0 0.0
September 64.4 45.1 54.8 95 07/1976 23 20/1962 62.0 2009 47.8 1974 0.1 0.0 2.1 0.0
October 52.4 35.2 43.8 86 02/1953 8 27/1976 55.9 1963 35.6 2002 0.0 0.6 12.0 0.0
November 35.4 21.6 28.5 70 03/1978 -23 30/1964 39.5 2001 18.8 1959 0.0 12.2 25.7 1.4
December 22.1 6.5 14.3 55 03/1962 -34 20/1983 23.8 2006 1.8 1983 0.0 25.6 30.8 11.0
Annual 48.2 29.5 38.9 97 19880707 -39 19720115 43.2 1998 34.5 1950 2.0 105.3 183.7 45.1
Winter 20.7 3.4 12.1 55 19621203 -39 19720115 22.7 1998 5.2 1979 0.0 75.8 89.7 39.1
Spring 47.7 28.3 38.0 90 19640522 -29 19890302 45.6 2010 30.3 1950 0.0 16.8 53.8 4.5
Summer 73.7 52.5 63.1 97 19880707 27 19720610 67.4 2012 58.8 1992 1.8 0.0 0.3 0.0
Fall 50.7 34.0 42.3 95 19760907 -23 19641130 49.8 1963 37.6 1959 0.1 12.7 39.9 1.4
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