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 |
-16.7 1940 |
| February | 7.6 1990 |
-2.8 1947 |
18.1 1990 |
-5.9 1929 |
11.7 |
-18.2 1947 |
| March | 8.9 1990 |
2.4 1962, 1970 |
22.0 1929 |
-1.6 1942 |
13.9 |
-15.6 1947 |
| April | 11.2 1893 |
5.8
1917, 1922 |
26.7
1893 |
1.7
1897, 1981 |
12.6 |
-6.1
1969 |
| May | 14.3
1992 |
8.4
1968 |
30.9
1997 |
4.9
1955 |
15.3 |
-5.0
1938 |
| June | 17.0
2006 |
12.1
1971 |
32.4
1976 |
8.3
1953 |
18.3 |
-0.6
1936 |
| July | 20.5
2006 |
13.7
1965 |
34.4
2006 |
12.2
1920 |
19.3 |
3.4
1962 |
| August | 19.8
1997 |
13.3
1912 |
35.1
1990 |
12.6
1931 |
19.5 |
0.8
1934 |
| September | 17.2
2006 |
10.6
1952 |
34.2
1906 |
7.8
1952 |
17.9 |
-1.1
1919 |
| October | 13.7
2001 |
7.0
1896 |
27.1
1985 |
2.7
1934 |
15.9 |
-4.9
1935 |
| November | 10.0
1994 |
3.0
1910, 1923 |
20.6
1969 |
-0.6
1993 |
14.4 |
-12.8
1904 |
| December | 7.5
1898, 1974 |
0.1
1981 |
18.9
1899 |
-5.6
1908 |
12.6 |
-16.1 1981 |