| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.9 | 39.8 | 46.9 | 56.8 | 67.3 | 77.2 | 84.9 | 82.6 | 73.9 | 62.2 | 46.3 | 36.4 | 59.2 |
| Highest Mean Max. Temperature (F) | 40.9 | 49.2 | 56.3 | 65.3 | 74.0 | 86.0 | 89.6 | 88.4 | 81.0 | 71.0 | 54.1 | 46.9 | 62.2 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1987 | 1969 | 1988 | 1988 | 1969 | 1979 | 1988 | 1962 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 23.0 | 29.1 | 38.1 | 48.4 | 61.5 | 70.2 | 81.3 | 77.0 | 64.2 | 50.9 | 37.6 | 27.4 | 56.3 |
| Year Lowest Occurred | 1979 | 1989 | 1969 | 1975 | 1983 | 1967 | 1986 | 1968 | 1961 | 1969 | 1971 | 1971 | 1984 |
| Mean Temperature (F) | 24.1 | 27.8 | 34.5 | 43.5 | 52.8 | 61.7 | 69.1 | 66.9 | 58.1 | 47.7 | 34.5 | 25.3 | 45.5 |
| Highest Mean Temperature (F) | 30.0 | 35.9 | 43.0 | 49.8 | 58.5 | 69.1 | 72.8 | 72.4 | 64.2 | 55.1 | 39.8 | 35.6 | 48.5 |
| Year Highest Occurred | 1983 | 1963 | 1986 | 1987 | 1969 | 1988 | 1988 | 1969 | 1990 | 1988 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 12.0 | 15.5 | 25.6 | 37.7 | 47.8 | 57.3 | 66.4 | 62.3 | 51.3 | 39.2 | 27.8 | 16.3 | 42.8 |
| Year Lowest Occurred | 1979 | 1973 | 1969 | 1983 | 1975 | 1975 | 1962 | 1968 | 1961 | 1969 | 1971 | 1971 | 1973 |
| Mean Min. Temperature (F) | 12.3 | 15.8 | 22.1 | 30.2 | 38.3 | 46.2 | 53.2 | 51.2 | 42.3 | 33.1 | 22.7 | 14.2 | 31.8 |
| Highest Mean Min. Temperature (F) | 19.2 | 22.5 | 29.7 | 35.1 | 42.9 | 52.2 | 56.1 | 56.3 | 49.3 | 39.1 | 27.2 | 24.2 | 34.7 |
| Year Highest Occurred | 1983 | 1963 | 1986 | 1990 | 1969 | 1988 | 1966 | 1969 | 1990 | 1988 | 1965 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 0.8 | 1.5 | 13.1 | 24.6 | 33.0 | 43.1 | 50.1 | 46.3 | 36.8 | 27.5 | 17.7 | 5.1 | 29.1 |
| Year Lowest Occurred | 1973 | 1973 | 1969 | 1982 | 1977 | 1975 | 1962 | 1976 | 1971 | 1969 | 1978 | 1971 | 1964 |
| Mean Precipitation (in.) | 0.31 | 0.34 | 0.64 | 1.13 | 1.36 | 1.18 | 0.98 | 0.97 | 0.89 | 0.93 | 0.48 | 0.43 | 9.64 |
| Highest Precipitation (in.) | 0.84 | 1.07 | 1.62 | 2.60 | 3.63 | 4.11 | 2.85 | 2.54 | 3.31 | 3.49 | 2.27 | 1.82 | 14.70 |
| Year Highest Occurred | 1980 | 1989 | 1961 | 1968 | 1975 | 1969 | 1973 | 1984 | 1982 | 1961 | 1983 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.02 | 0.08 | 0.00 | 0.00 | 0.10 | 0.02 | 0.00 | 0.01 | 0.00 | 0.02 | 4.81 |
| Year Lowest Occurred | 1966 | 1973 | 1971 | 1962 | 1974 | 1988 | 1979 | 1985 | 1979 | 1988 | 1976 | 1976 | 1974 |
| Heating Degree Days (F) | 1268. | 1042. | 946. | 645. | 378. | 153. | 12. | 48. | 237. | 536. | 915. | 1231. | 7411. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 54. | 139. | 107. | 30. | 0. | 0. | 0. | 330. |