| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.9 | 41.5 | 48.5 | 57.3 | 65.7 | 74.9 | 83.9 | 83.3 | 74.6 | 62.8 | 45.7 | 35.9 | 59.1 |
| Highest Mean Max. Temperature (F) | 41.5 | 49.8 | 56.4 | 67.8 | 72.5 | 81.6 | 89.3 | 90.4 | 81.3 | 72.9 | 55.0 | 43.2 | 62.0 |
| Year Highest Occurred | 1990 | 1963 | 1990 | 1990 | 1966 | 1974 | 1968 | 1967 | 1990 | 1988 | 1976 | 1989 | 1990 |
| Lowest Mean Max. Temperature (F) | 26.1 | 30.5 | 43.2 | 47.5 | 56.7 | 69.3 | 78.5 | 74.1 | 64.8 | 53.8 | 35.6 | 26.2 | 55.4 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1967 | 1982 | 1984 | 1987 | 1976 | 1985 | 1984 | 1985 | 1985 | 1984 |
| Mean Temperature (F) | 24.6 | 30.8 | 36.5 | 43.0 | 50.1 | 58.1 | 64.6 | 63.7 | 55.4 | 45.7 | 34.5 | 25.9 | 44.4 |
| Highest Mean Temperature (F) | 31.6 | 39.7 | 43.3 | 50.5 | 54.0 | 62.6 | 69.2 | 68.8 | 60.6 | 52.6 | 38.5 | 31.8 | 46.3 |
| Year Highest Occurred | 1990 | 1963 | 1978 | 1990 | 1987 | 1986 | 1985 | 1967 | 1967 | 1988 | 1976 | 1973 | 1990 |
| Lowest Mean Temperature (F) | 14.2 | 19.3 | 29.8 | 35.9 | 41.6 | 54.7 | 60.0 | 59.3 | 48.6 | 41.2 | 23.8 | 14.0 | 41.0 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1967 | 1982 | 1984 | 1963 | 1975 | 1985 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 14.1 | 20.0 | 24.5 | 28.7 | 34.4 | 41.2 | 45.2 | 44.1 | 36.2 | 28.5 | 23.3 | 15.8 | 29.7 |
| Highest Mean Min. Temperature (F) | 22.0 | 29.6 | 31.4 | 33.2 | 39.8 | 45.0 | 50.9 | 47.8 | 40.9 | 36.0 | 28.2 | 24.3 | 31.9 |
| Year Highest Occurred | 1981 | 1963 | 1983 | 1990 | 1980 | 1970 | 1975 | 1990 | 1966 | 1979 | 1970 | 1973 | 1980 |
| Lowest Mean Min. Temperature (F) | 2.3 | 8.1 | 16.1 | 22.0 | 26.5 | 37.8 | 41.0 | 40.2 | 30.6 | 24.2 | 11.9 | 1.7 | 25.8 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1970 | 1982 | 1962 | 1963 | 1985 | 1971 | 1974 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 0.85 | 0.61 | 0.81 | 0.61 | 0.94 | 0.74 | 0.41 | 0.63 | 0.58 | 0.73 | 1.27 | 1.06 | 9.24 |
| Highest Precipitation (in.) | 2.38 | 3.22 | 2.85 | 2.33 | 1.87 | 2.75 | 1.68 | 2.90 | 2.41 | 3.20 | 2.92 | 3.97 | 15.93 |
| Year Highest Occurred | 1965 | 1986 | 1983 | 1978 | 1983 | 1964 | 1987 | 1976 | 1986 | 1962 | 1966 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.09 | 0.00 | 0.03 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.11 | 4.78 |
| Year Lowest Occurred | 1985 | 1967 | 1968 | 1970 | 1975 | 1973 | 1988 | 1988 | 1987 | 1988 | 1974 | 1976 | 1974 |
| Heating Degree Days (F) | 1252. | 958. | 884. | 660. | 462. | 218. | 82. | 106. | 304. | 598. | 915. | 1212. | 7651. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 11. | 70. | 66. | 16. | 0. | 0. | 0. | 163. |