1971-2000 NCDC Normals
| Element | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Max °F | 19.7 | 26.5 | 36.9 | 51.0 | 65.9 | 73.3 | 77.3 | 75.3 | 65.8 | 53.5 | 36.8 | 23.6 | 50.5 |
| Min °F | -2.0 | 2.1 | 13.0 | 26.9 | 40.0 | 49.5 | 54.0 | 51.8 | 43.7 | 32.8 | 20.2 | 5.5 | 28.1 |
| Mean °F | 8.9 | 14.3 | 25.0 | 39.0 | 53.0 | 61.4 | 65.7 | 63.6 | 54.8 | 43.2 | 28.5 | 14.6 | 39.3 |
| HDD base 65 |
1742 | 1420 | 1242 | 781 | 398 | 147 | 69 | 104 | 311 | 677 | 1095 | 1564 | 9550 |
| CDD base 65 |
0 | 0 | 0 | 0 | 24 | 40 | 89 | 59 | 3 | 0 | 0 | 0 | 215 |
| Month | High Mean°F |
Year | Low Mean°F |
Year | 1-Day Max°F |
Date | 1-Day Min°F |
Date |
| JAN | 21.8 | 1944 | -7.4 | 1912 | 56 | 01-24-1944 | -48 | 01-28-1915 |
| FEB | 28.2 | 1998 | -1.0 | 1936 | 60 | 02-19-1930 | -48 | 02-03-1996 |
| MAR | 37.7 | 1910 | 12.1 | 1906 | 78 | 03-29-1910 | -36 | 03-01-1962 |
| APR | 49.8 | 1915 | 29.6 | 1907 | 90 | 04-28-1952 | -18 | 04-01-1924 |
| MAY | 62.3 | 1977 | 42.7 | 1945 | 99 | 05-31-1934 | 15 | 05-10-1966 |
| JUN | 70.8 | 1933 | 54.8 | 1969 | 99 | 06-29-1910 | 25 | 06-01-1927 |
| JUL | 74.3 | 1916 | 56.5 | 1945 | 106 | 07-13-1936 | 30 | 07-01-1945 |
| AUG | 72.8 | 1947 | 58.3 | 1945 | 99 | 08-04-1947 | 30 | 08-28-1934 |
| SEP | 63.6 | 1908 | 50.1 | 1995 | 95 | 09-08-1976 | 19 | 09-29-1945 |
| OCT | 55.9 | 1947 | 33.4 | 1925 | 86 | 10-02-1976 | 3 | 10-30-1925 |
| NOV | 38.0 | 2001 | 19.3 | 1995 | 75 | 11-01-1944 | -18 | 11-28-1976 |
| DEC | 27.7 | 1913 | 2.5 | 1989 | 57 | 12-03-1982 | -36 | 12-31-1967 |
| Annual | 44.2 | 1998 | 33.2 | 1906 | 106 | 07-13-1936 | -48 | 01-28-1915 |
| Winter | 22.0 | 1998 | 5.1 | 1918 | 60 | 02-19-1930 | -48 | 01-28-1915 |
| Spring | 45.8 | 1977 | 33.1 | 1950 | 99 | 05-31-1934 | -36 | 03-01-1962 |
| Summer | 68.9 | 1921 | 56.8 | 1945 | 106 | 07-13-1936 | 25 | 06-01-1927 |
| Fall | 49.2 | 1963 | 37.3 | 1991 | 95 | 09-08-1976 | -18 | 11-28-1976 |
| Month | # Days Max ≥ 90°F |
# Days Max ≤ 32°F |
# Days Min ≤ 32°F |
# Days Min ≤ 0°F |
| JAN | 0.0 | 27.3 | 31.0 | 16.3 |
| FEB | 0.0 | 19.2 | 28.1 | 12.9 |
| MAR | 0.0 | 10.3 | 29.4 | 6.6 |
| APR | 0.0 | 1.5 | 22.3 | 0.3 |
| MAY | 0.0 | 0.0 | 7.6 | 0.0 |
| JUN | 0.5 | 0.0 | 0.4 | 0.0 |
| JUL | 1.1 | 0.0 | 0.0 | 0.0 |
| AUG | 0.4 | 0.0 | 0.0 | 0.0 |
| SEP | 0.1 | 0.0 | 3.1 | 0.0 |
| OCT | 0.0 | 0.4 | 16.6 | 0.0 |
| NOV | 0.0 | 11.0 | 27.5 | 1.6 |
| DEC | 0.0 | 24.8 | 30.9 | 11.0 |
| Annual | 2.0 | 94.0 | 195.7 | 48.0 |
| Winter | 0.0 | 71.3 | 89.9 | 40.2 |
| Spring | 0.0 | 11.9 | 59.2 | 6.8 |
| Summer | 1.9 | 0.0 | 0.4 | 0.0 |
| Fall | 0.1 | 11.4 | 47.1 | 1.6 |