Temperature Extremes

Month Warmest Month Coldest Month Warmest Day Coldest Day Warmest Night Coldest Night
January 7.9
1916
-2.1
1940,1963
14.4
1944
-5.5
1987

11.8
1987

-16.7
1940
February 7.6
1990
-2.8
1947
18.1
1990
-5.9
1929

11.7
2004

-18.2
1947
March 8.9
1990
2.4
1962, 1970
22.0
1929
-1.6
1942

13.9
1902

-15.6
1947
April 11.2
1893
5.8
1917, 1922
26.7
1893
1.7
1897, 1981

12.6
1994

-6.1
1969
May 14.3
1992
8.4
1968
30.9
1997
4.9
1955

15.3
1922

-5.0
1938
June 17.0
2006
12.1
1971
32.4
1976
8.3
1953

18.3
1969, 1976

-0.6
1936
July 20.5
2006
13.7
1965
34.4
2006
12.2
1920

19.3
2006

3.4
1962
August 19.8
1997
13.3
1912
35.1
1990
12.6
1931

19.5
2004

0.8
1934
September 17.2
2006
10.6
1952
34.2
1906
7.8
1952

17.9
1949

-1.1
1919
October 13.7
2001
7.0
1896
27.1
1985
2.7
1934

15.9
1985

-4.9
1935
November 10.0
1994
3.0
1910, 1923
20.6
1969
-0.6
1993

14.4
1969

-8.9
1901
December 7.5
1898, 1974
0.1
1981
18.9
1899
-5.6
1908

12.6
1986

-16.1
1981