| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.9 | 43.9 | 50.3 | 59.1 | 67.5 | 76.7 | 84.9 | 83.9 | 74.7 | 64.0 | 48.4 | 39.0 | 60.9 |
| Highest Mean Max. Temperature (F) | 45.7 | 52.4 | 58.5 | 70.2 | 74.9 | 84.1 | 88.8 | 89.7 | 81.9 | 72.9 | 55.0 | 46.7 | 63.0 |
| Year Highest Occurred | 1961 | 1963 | 1986 | 1987 | 1966 | 1961 | 1961 | 1967 | 1990 | 1965 | 1965 | 1980 | 1966 |
| Lowest Mean Max. Temperature (F) | 26.2 | 34.9 | 43.3 | 49.5 | 59.1 | 70.5 | 79.6 | 76.6 | 66.4 | 55.5 | 38.8 | 30.8 | 57.6 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1975 | 1977 | 1963 | 1982 | 1968 | 1986 | 1984 | 1985 | 1990 | 1984 |
| Mean Temperature (F) | 28.5 | 33.8 | 39.1 | 46.0 | 53.8 | 62.3 | 69.8 | 68.7 | 59.7 | 50.1 | 38.3 | 29.6 | 48.3 |
| Highest Mean Temperature (F) | 34.8 | 41.4 | 46.4 | 52.2 | 59.0 | 67.9 | 73.5 | 74.0 | 66.5 | 56.1 | 44.4 | 35.4 | 50.0 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1966 | 1961 | 1967 | 1967 | 1990 | 1988 | 1965 | 1977 | 1967 |
| Lowest Mean Temperature (F) | 17.3 | 25.1 | 32.4 | 39.0 | 48.8 | 58.0 | 66.4 | 63.4 | 54.0 | 43.7 | 30.0 | 19.6 | 45.5 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1975 | 1977 | 1963 | 1987 | 1976 | 1986 | 1969 | 1985 | 1990 | 1985 |
| Mean Min. Temperature (F) | 19.1 | 23.7 | 27.8 | 32.9 | 40.1 | 47.9 | 54.7 | 53.6 | 44.6 | 36.0 | 28.2 | 20.2 | 35.7 |
| Highest Mean Min. Temperature (F) | 26.8 | 30.3 | 34.3 | 38.6 | 44.8 | 52.9 | 59.6 | 58.6 | 51.1 | 39.8 | 33.8 | 27.4 | 37.7 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1990 | 1987 | 1986 | 1985 | 1961 | 1990 | 1963 | 1965 | 1977 | 1967 |
| Lowest Mean Min. Temperature (F) | 8.3 | 15.2 | 21.4 | 28.4 | 37.0 | 44.1 | 51.2 | 48.4 | 39.6 | 31.4 | 21.2 | 8.3 | 33.2 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1982 | 1975 | 1978 | 1983 | 1976 | 1965 | 1969 | 1985 | 1990 | 1985 |
| Mean Precipitation (in.) | 0.79 | 0.61 | 0.98 | 1.01 | 1.67 | 1.41 | 0.79 | 0.99 | 0.84 | 0.75 | 0.88 | 0.80 | 11.52 |
| Highest Precipitation (in.) | 2.70 | 2.42 | 2.26 | 2.89 | 3.66 | 4.54 | 2.52 | 4.38 | 2.21 | 2.19 | 2.01 | 3.55 | 17.33 |
| Year Highest Occurred | 1980 | 1986 | 1982 | 1967 | 1980 | 1963 | 1970 | 1968 | 1961 | 1972 | 1971 | 1964 | 1963 |
| Lowest Precipitation (in.) | 0.05 | 0.04 | 0.29 | 0.12 | 0.18 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.00 | 6.91 |
| Year Lowest Occurred | 1961 | 1967 | 1965 | 1980 | 1974 | 1989 | 1990 | 1988 | 1987 | 1988 | 1976 | 1989 | 1974 |
| Heating Degree Days (F) | 1132. | 874. | 803. | 570. | 347. | 130. | 15. | 45. | 200. | 462. | 801. | 1097. | 6476. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 49. | 164. | 160. | 41. | 0. | 0. | 0. | 414. |