1971-2000 NCDC Normals
| Element | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Max °F | 23.4 | 30.3 | 41.3 | 56.3 | 69.8 | 78.1 | 82.2 | 79.6 | 70.3 | 58.0 | 41.3 | 27.9 | 54.9 |
| Min °F | 3.9 | 9.1 | 20.2 | 32.4 | 44.1 | 53.4 | 58.5 | 56.3 | 47.2 | 35.9 | 23.4 | 10.4 | 32.9 |
| Mean °F | 13.7 | 19.7 | 30.8 | 44.4 | 57.0 | 65.8 | 70.4 | 68.0 | 58.8 | 47.0 | 32.4 | 19.2 | 43.9 |
| HDD base 65 |
1592 | 1270 | 1063 | 621 | 291 | 71 | 25 | 48 | 209 | 561 | 980 | 1422 | 8153 |
| CDD base 65 |
0 | 0 | 0 | 1 | 41 | 93 | 191 | 138 | 20 | 1 | 0 | 0 | 485 |
| Month | High Mean°F |
Year | Low Mean°F |
Year | 1-Day Max°F |
Date | 1-Day Min°F |
Date |
| JAN | 26.4 | 1921 | -4.2 | 1912 | 57 | 01-25-1944 | -38 | 01-25-1904 |
| FEB | 31.8 | 1998 | -0.9 | 1936 | 62 | 02-26-2000 | -43 | 02-19-1929 |
| MAR | 42.5 | 1910 | 19.4 | 1943 | 82 | 03-29-1910 | -34 | 03-01-1962 |
| APR | 54.2 | 1915 | 36.6 | 1926 | 92 | 04-22-1980 | -4 | 04-14-1928 |
| MAY | 65.8 | 1977 | 48.4 | 1924 | 105 | 05-31-1934 | 18 | 05-01-1945 |
| JUN | 73.4 | 1933 | 57.6 | 1969 | 101 | 06-28-1931 | 27 | 06-04-1945 |
| JUL | 77.3 | 1916 | 63.1 | 1992 | 107 | 07-13-1936 | 35 | 07-18-1929 |
| AUG | 76.0 | 1947 | 63.0 | 1992 | 107 | 08-24-1948 | 30 | 08-29-1934 |
| SEP | 67.5 | 1920 | 53.1 | 1993 | 100 | 09-02-1913 | 18 | 09-25-1947 |
| OCT | 60.7 | 1920 | 38.3 | 1917 | 91 | 10-21-1947 | 8 | 10-21-1930 |
| NOV | 43.9 | 2001 | 23.8 | 1951 | 79 | 11-18-1930 | -14 | 11-25-1950 |
| DEC | 31.7 | 1923 | 7.8 | 1989 | 64 | 12-03-1998 | -33 | 12-28-1924 |
| Annual | 48.7 | 1921 | 39.7 | 1936 | 107 | 07-13-1936 | -43 | 02-19-1929 |
| Winter | 26.1 | 1998 | 8.0 | 1936 | 64 | 12-03-1998 | -43 | 02-19-1929 |
| Spring | 51.0 | 1977 | 37.4 | 1943 | 105 | 05-31-1934 | -34 | 03-01-1962 |
| Summer | 73.0 | 1921 | 62.9 | 1992 | 107 | 07-13-1936 | 27 | 06-04-1945 |
| Fall | 54.2 | 1920 | 41.1 | 1943 | 100 | 09-02-1913 | -14 | 11-25-1950 |
| Month | # Days Max ≥ 90°F |
# Days Max ≤ 32°F |
# Days Min ≤ 32°F |
# Days Min ≤ 0°F |
| JAN | 0.0 | 24.0 | 30.8 | 13.2 |
| FEB | 0.0 | 16.0 | 27.4 | 8.8 |
| MAR | 0.0 | 6.7 | 27.3 | 2.6 |
| APR | 0.0 | 0.5 | 15.6 | 0.0 |
| MAY | 0.5 | 0.0 | 3.5 | 0.0 |
| JUN | 2.9 | 0.0 | 0.0 | 0.0 |
| JUL | 4.8 | 0.0 | 0.0 | 0.0 |
| AUG | 2.3 | 0.0 | 0.0 | 0.0 |
| SEP | 0.5 | 0.0 | 2.0 | 0.0 |
| OCT | 0.0 | 0.0 | 12.0 | 0.0 |
| NOV | 0.0 | 6.5 | 24.7 | 0.9 |
| DEC | 0.0 | 20.0 | 30.4 | 7.6 |
| Annual | 11.1 | 72.7 | 172.2 | 32.7 |
| Winter | 0.0 | 60.1 | 88.6 | 29.7 |
| Spring | 0.6 | 7.1 | 46.4 | 2.6 |
| Summer | 9.9 | 0.0 | 0.0 | 0.0 |
| Fall | 0.5 | 6.3 | 38.2 | 0.8 |