Temperature Extremes
| Month | Warmest Month | Coldest Month | Warmest Day | Coldest Day | Warmest Night | Coldest Night |
| January | 7.4 1916 |
-2.1 1940,1963 |
14.5 2015 |
-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 |
-2.2 2018 |
13.9 |
-15.6 1947 |
| April | 12.4 2011 |
5.8 1917, 1922 |
26.7 1893 |
1.7 1897, 1981 |
13.0 |
-6.1 1969 |
| May | 14.3 1992 |
8.4 1968 |
30.9 1947 |
4.9 1955 |
15.3 |
-5.0 1938 |
| June | 17.5 2023 |
12.1 1971 |
32.4 1976 |
8.3 1953 |
18.3 |
-0.6 1936 |
| July | 20.5 2006 |
13.7 1965 |
38.9 2022 |
12.2 1920 |
21.1 |
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 |
18.7 |
-1.1 1919 |
| October | 13.7 2001 |
7.0 1896 |
28.2
2011 |
2.7 1934 |
16.5
2011 |
-4.9 1935 |
| November | 10.0 1994 |
3.0 1910, 1923 |
20.6 1969 |
-1.2 2010 |
14.4 |
-8.9 1901 |
| December |
9.7 2015 |
-0.4 2010
|
16.4 1915 |
-5.6 1908 |
12.6 |
-16.1 1981 |