1971-2000 NCDC Normals
| Element | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Max °F | 18.5 | 25.0 | 36.0 | 51.3 | 66.0 | 72.8 | 76.4 | 74.2 | 64.6 | 53.3 | 35.8 | 22.7 | 49.7 |
| Min °F | -4.1 | 0.2 | 11.8 | 25.4 | 39.1 | 48.4 | 53.2 | 51.5 | 42.8 | 32.2 | 19.6 | 4.1 | 27.0 |
| Mean °F | 7.2 | 12.6 | 23.9 | 38.4 | 52.6 | 60.6 | 64.8 | 62.9 | 53.7 | 42.8 | 27.7 | 13.4 | 38.4 |
| HDD base 65 |
1794 | 1467 | 1274 | 799 | 410 | 170 | 84 | 123 | 342 | 689 | 1118 | 1600 | 9870 |
| CDD base 65 |
0 | 0 | 0 | 0 | 23 | 38 | 79 | 56 | 3 | 0 | 0 | 0 | 199 |
| Month | High Mean°F |
Year | Low Mean°F |
Year | 1-Day Max°F |
Date | 1-Day Min°F |
Date |
| JAN | 23.8 | 1944 | -1.8 | 1994 | 57 | 01-24-1942 | -50 | 01-28-1915 |
| FEB | 28.3 | 1998 | 0.5 | 1936 | 58 | 02-19-1930 | -51 | 02-25-1928 |
| MAR | 37.4 | 1946 | 13.5 | 1996 | 80 | 03-28-1946 | -39 | 03-05-1917 |
| APR | 47.6 | 1915 | 29.4 | 1950 | 90 | 04-28-1952 | -20 | 04-15-1928 |
| MAY | 63.6 | 1977 | 42.9 | 1924 | 102 | 05-31-1934 | 13 | 05-28-1930 |
| JUN | 68.5 | 1933 | 54.7 | 1969 | 98 | 06-01-1934 | 25 | 06-06-1927 |
| JUL | 72.4 | 1916 | 58.6 | 1992 | 102 | 07-23-1934 | 33 | 07-19-2000 |
| AUG | 73.4 | 1947 | 58.9 | 1915 | 103 | 08-04-1947 | 30 | 08-30-1915 |
| SEP | 62.3 | 1948 | 48.8 | 1993 | 96 | 09-14-1931 | 20 | 09-23-1927 |
| OCT | 55.3 | 1963 | 34.7 | 1917 | 87 | 10-11-1930 | -6 | 10-30-1925 |
| NOV | 39.4 | 2001 | 18.9 | 1995 | 70 | 11-01-1914 | -21 | 11-30-1976 |
| DEC | 25.7 | 1923 | 2.0 | 1989 | 58 | 12-02-1998 | -41 | 12-09-1927 |
| Annual | 51.8 | 1948 | 36.0 | 1996 | 103 | 08-04-1947 | -51 | 02-25-1928 |
| Winter | 22.2 | 1998 | 5.8 | 1918 | 58 | 12-02-1998 | -51 | 02-25-1928 |
| Spring | 47.8 | 1977 | 31.8 | 1933 | 102 | 05-31-1934 | -39 | 03-05-1917 |
| Summer | 68.1 | 1937 | 59.0 | 1992 | 103 | 08-04-1947 | 25 | 06-06-1927 |
| Fall | 48.2 | 1922 | 35.2 | 1932 | 96 | 09-14-1931 | -21 | 11-30-1976 |
| Month | # Days Max ≥ 90°F |
# Days Max ≤ 32°F |
# Days Min ≤ 32°F |
# Days Min ≤ 0°F |
| JAN | 0.0 | 27.3 | 30.9 | 15.3 |
| FEB | 0.0 | 19.9 | 27.9 | 11.1 |
| MAR | 0.0 | 10.6 | 28.5 | 5.6 |
| APR | 0.0 | 1.5 | 20.9 | 0.2 |
| MAY | 0.0 | 0.0 | 6.9 | 0.0 |
| JUN | 0.4 | 0.0 | 0.5 | 0.0 |
| JUL | 1.0 | 0.0 | 0.0 | 0.0 |
| AUG | 0.2 | 0.0 | 0.0 | 0.0 |
| SEP | 0.1 | 0.0 | 2.5 | 0.0 |
| OCT | 0.0 | 0.4 | 14.2 | 0.0 |
| NOV | 0.0 | 11.7 | 26.3 | 1.4 |
| DEC | 0.0 | 25.2 | 30.9 | 9.8 |
| Annual | 1.7 | 96.0 | 189.5 | 43.2 |
| Winter | 0.0 | 72.2 | 89.7 | 36.2 |
| Spring | 0.0 | 12.3 | 56.9 | 6.0 |
| Summer | 1.5 | 0.0 | 0.5 | 0.0 |
| Fall | 0.1 | 12.1 | 43.0 | 1.4 |