| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 37.7 | 46.2 | 56.7 | 65.7 | 76.3 | 87.9 | 93.8 | 91.6 | 82.2 | 68.9 | 52.0 | 40.9 | 66.7 |
| Highest Mean Max. Temperature (F) | 50.7 | 55.4 | 65.2 | 73.7 | 83.1 | 94.4 | 97.8 | 95.3 | 87.9 | 75.5 | 59.1 | 51.7 | 97.8 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1989 | 1984 | 1994 | 1994 | 1994 | 1979 | 1988 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 24.1 | 33.5 | 50.4 | 59.0 | 68.5 | 81.8 | 91.1 | 87.8 | 76.0 | 61.6 | 43.8 | 30.5 | 24.1 |
| Year Lowest Occurred | 1973 | 1979 | 1979 | 1975 | 1995 | 1995 | 1987 | 1999 | 1986 | 1984 | 2000 | 1978 | 1973 |
| Mean Temperature (F) | 26.0 | 34.2 | 43.5 | 51.6 | 61.9 | 72.4 | 78.7 | 76.8 | 67.6 | 54.6 | 40.0 | 29.3 | 53.1 |
| Highest Mean Temperature (F) | 36.4 | 41.8 | 50.3 | 57.6 | 68.4 | 77.0 | 81.5 | 80.8 | 72.4 | 60.9 | 44.5 | 38.8 | 81.5 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1992 | 1984 | 1977 | 1971 | 1994 | 1979 | 1978 | 1995 | 1980 | 1971 |
| Lowest Mean Temperature (F) | 12.3 | 21.2 | 38.6 | 45.4 | 57.2 | 66.9 | 74.9 | 73.4 | 62.2 | 50.1 | 33.0 | 19.1 | 12.3 |
| Year Lowest Occurred | 1973 | 1974 | 1988 | 1975 | 1995 | 1995 | 1993 | 1989 | 1985 | 1984 | 1979 | 1978 | 1973 |
| Mean Min. Temperature (F) | 14.3 | 22.1 | 30.3 | 37.4 | 47.4 | 56.9 | 63.6 | 61.9 | 52.9 | 40.3 | 28.0 | 17.6 | 39.4 |
| Highest Mean Min. Temperature (F) | 23.2 | 28.2 | 35.4 | 42.7 | 53.6 | 63.1 | 67.9 | 66.6 | 58.4 | 47.3 | 31.4 | 25.9 | 67.9 |
| Year Highest Occurred | 1980 | 2000 | 1972 | 1981 | 1984 | 1972 | 1972 | 2000 | 1998 | 1978 | 1998 | 1980 | 1972 |
| Lowest Mean Min. Temperature (F) | 0.6 | 7.7 | 23.6 | 31.9 | 43.6 | 51.8 | 58.0 | 57.1 | 47.4 | 34.6 | 20.5 | 7.7 | 0.6 |
| Year Lowest Occurred | 1973 | 1974 | 1988 | 1975 | 1975 | 1993 | 1993 | 1988 | 1989 | 1982 | 1979 | 1978 | 1973 |
| Mean Precipitation (in.) | 1.00 | 0.56 | 1.03 | 0.83 | 1.00 | 0.35 | 0.77 | 0.88 | 1.02 | 1.23 | 0.68 | 0.62 | 9.97 |
| Highest Precipitation (in.) | 3.15 | 2.36 | 2.49 | 3.50 | 3.20 | 0.90 | 2.27 | 1.87 | 3.68 | 3.93 | 2.09 | 1.65 | 3.93 |
| Year Highest Occurred | 1993 | 1993 | 1978 | 1994 | 1973 | 1983 | 1987 | 1977 | 1982 | 1972 | 1978 | 1972 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1976 | 1972 | 1994 | 1982 | 1974 | 1994 | 1994 | 1975 | 1978 | 1976 | 1976 | 1989 | 1976 |
| Heating Degree Days (F) | 1209. | 864. | 667. | 410. | 151. | 18. | 0. | 0. | 54. | 332. | 749. | 1109. | 5563. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 54. | 241. | 424. | 365. | 131. | 11. | 0. | 0. | 1234. |