1971-2000 NCDC Normals
| Element | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN |
| Max °F | 18.8 | 26.6 | 37.7 | 53.0 | 67.4 | 75.6 | 79.8 | 76.8 | 67.0 | 54.6 | 36.9 | 23.5 | 51.5 |
| Min °F | -4.9 | 1.3 | 15.0 | 28.2 | 40.6 | 49.7 | 55.4 | 53.0 | 43.7 | 33.2 | 20.2 | 4.0 | 28.3 |
| Mean °F | 7.0 | 14.0 | 26.4 | 40.6 | 54.0 | 62.7 | 67.6 | 64.9 | 55.4 | 43.9 | 28.6 | 13.8 | 39.9 |
| HDD base 65 |
1802 | 1430 | 1199 | 732 | 368 | 122 | 47 | 90 | 295 | 655 | 1094 | 1590 | 9424 |
| CDD base 65 |
0 | 0 | 0 | 0 | 27 | 51 | 127 | 88 | 6 | 0 | 0 | 0 | 299 |
| Month | High Mean°F |
Year | Low Mean°F |
Year | 1-Day Max°F |
Date | 1-Day Min°F |
Date |
| JAN | 18.3 | 1964 | -4.8 | 1979 | 51 | 01-26-1981 | -48 | 01-10-1977 |
| FEB | 29.4 | 1998 | 1.0 | 1989 | 58 | 02-18-1981 | -46 | 02-02-1996 |
| MAR | 36.1 | 1973 | 16.5 | 1960 | 73 | 03-30-1967 | -42 | 03-01-1962 |
| APR | 48.9 | 1955 | 34.6 | 1996 | 92 | 04-22-1980 | -8 | 04-01-1975 |
| MAY | 63.9 | 1977 | 47.3 | 1954 | 93 | 05-22-1964 | 7 | 05-09-1966 |
| JUN | 66.7 | 1970 | 57.0 | 1958 | 97 | 06-26-1977 | 26 | 06-03-1985 |
| JUL | 73.7 | 1955 | 60.4 | 1992 | 101 | 07-13-1974 | 31 | 07-05-1967 |
| AUG | 70.4 | 1955 | 59.5 | 1985 | 98 | 08-17-1988 | 26 | 08-28-1986 |
| SEP | 60.9 | 1998 | 48.8 | 1993 | 98 | 09-07-1976 | 18 | 09-17-1959 |
| OCT | 55.4 | 1963 | 36.9 | 1987 | 86 | 10-06-1961 | 4 | 10-26-1962 |
| NOV | 42.0 | 2001 | 19.4 | 1991 | 72 | 11-17-1953 | -31 | 11-30-1976 |
| DEC | 24.3 | 1959 | -0.1 | 1983 | 59 | 12-03-1982 | -44 | 12-19-1983 |
| Annual | 45.1 | 1998 | 36.5 | 1985 | 101 | 07-13-1974 | -48 | 01-10-1977 |
| Winter | 22.8 | 1998 | 2.8 | 1979 | 59 | 12-03-1982 | -48 | 01-10-1977 |
| Spring | 47.8 | 1977 | 34.3 | 1996 | 93 | 05-22-1964 | -42 | 03-01-1962 |
| Summer | 69.5 | 1955 | 60.1 | 1992 | 101 | 07-13-1974 | 26 | 06-03-1985 |
| Fall | 50.3 | 1963 | 37.4 | 1991 | 98 | 09-07-1976 | -31 | 11-30-1976 |
| Month | # Days Max ≥ 90°F |
# Days Max ≤ 32°F |
# Days Min ≤ 32°F |
# Days Min ≤ 0°F |
| JAN | 0.0 | 26.4 | 30.9 | 18.7 |
| FEB | 0.0 | 17.7 | 27.9 | 13.3 |
| MAR | 0.0 | 8.9 | 29.1 | 5.6 |
| APR | 0.0 | 1.0 | 21.7 | 0.2 |
| MAY | 0.4 | 0.0 | 7.9 | 0.0 |
| JUN | 1.6 | 0.0 | 1.0 | 0.0 |
| JUL | 3.0 | 0.0 | 0.0 | 0.0 |
| AUG | 1.1 | 0.0 | 0.3 | 0.0 |
| SEP | 0.2 | 0.0 | 5.3 | 0.0 |
| OCT | 0.0 | 0.3 | 18.0 | 0.0 |
| NOV | 0.0 | 10.1 | 27.2 | 2.4 |
| DEC | 0.0 | 23.5 | 30.9 | 13.7 |
| Annual | 6.4 | 88.6 | 202.8 | 54.7 |
| Winter | 0.0 | 67.6 | 89.8 | 45.8 |
| Spring | 0.5 | 10.0 | 58.9 | 5.9 |
| Summer | 5.8 | 0.0 | 1.3 | 0.0 |
| Fall | 0.2 | 10.4 | 51.1 | 2.5 |