| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.2 | 47.1 | 52.7 | 59.2 | 67.2 | 76.7 | 85.2 | 83.9 | 75.3 | 64.2 | 49.0 | 41.7 | 62.0 |
| Highest Mean Max. Temperature (F) | 47.7 | 54.6 | 59.5 | 67.3 | 72.3 | 82.8 | 92.8 | 94.4 | 83.9 | 74.3 | 55.0 | 50.4 | 64.3 |
| Year Highest Occurred | 1971 | 1963 | 1986 | 1987 | 1973 | 1974 | 1968 | 1967 | 1967 | 1988 | 1989 | 1989 | 1968 |
| Lowest Mean Max. Temperature (F) | 25.0 | 36.8 | 46.4 | 51.6 | 59.7 | 69.7 | 78.5 | 76.6 | 66.9 | 56.6 | 38.2 | 30.1 | 59.1 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1967 | 1961 | 1980 | 1983 | 1976 | 1986 | 1984 | 1985 | 1983 | 1982 |
| Mean Temperature (F) | 31.4 | 36.0 | 39.5 | 44.1 | 51.0 | 59.4 | 65.9 | 65.1 | 57.0 | 48.3 | 38.2 | 31.8 | 47.3 |
| Highest Mean Temperature (F) | 38.2 | 42.6 | 45.6 | 51.1 | 55.1 | 63.9 | 72.1 | 72.6 | 63.8 | 56.2 | 43.2 | 38.5 | 49.6 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1987 | 1986 | 1968 | 1967 | 1967 | 1988 | 1968 | 1980 | 1968 |
| Lowest Mean Temperature (F) | 15.3 | 25.3 | 34.9 | 38.5 | 46.0 | 54.7 | 60.2 | 60.5 | 51.7 | 43.4 | 27.8 | 23.0 | 44.8 |
| Year Lowest Occurred | 1979 | 1989 | 1975 | 1975 | 1961 | 1971 | 1963 | 1964 | 1961 | 1969 | 1985 | 1983 | 1964 |
| Mean Min. Temperature (F) | 21.4 | 24.9 | 26.2 | 28.9 | 34.7 | 42.1 | 46.4 | 46.2 | 38.7 | 32.2 | 27.3 | 21.8 | 32.6 |
| Highest Mean Min. Temperature (F) | 29.4 | 30.6 | 32.5 | 35.0 | 38.7 | 46.2 | 51.3 | 51.4 | 43.8 | 38.2 | 33.5 | 28.8 | 35.3 |
| Year Highest Occurred | 1986 | 1963 | 1983 | 1990 | 1987 | 1982 | 1968 | 1977 | 1963 | 1979 | 1968 | 1973 | 1986 |
| Lowest Mean Min. Temperature (F) | 5.5 | 13.7 | 19.9 | 21.6 | 28.6 | 37.9 | 40.7 | 40.2 | 32.4 | 27.7 | 17.4 | 14.3 | 28.7 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1964 | 1964 | 1976 | 1963 | 1964 | 1961 | 1961 | 1985 | 1990 | 1964 |
| Mean Precipitation (in.) | 1.06 | 0.60 | 0.69 | 0.58 | 0.71 | 0.73 | 0.45 | 0.55 | 0.41 | 0.54 | 1.16 | 1.09 | 8.57 |
| Highest Precipitation (in.) | 3.07 | 2.37 | 1.65 | 1.75 | 2.00 | 3.87 | 3.73 | 2.54 | 1.25 | 1.91 | 3.15 | 5.48 | 12.41 |
| Year Highest Occurred | 1970 | 1986 | 1989 | 1989 | 1962 | 1969 | 1987 | 1976 | 1982 | 1962 | 1984 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.13 | 0.00 | 0.01 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.00 | 5.04 |
| Year Lowest Occurred | 1984 | 1990 | 1968 | 1968 | 1964 | 1973 | 1988 | 1986 | 1987 | 1988 | 1976 | 1976 | 1985 |
| Heating Degree Days (F) | 1042. | 812. | 791. | 627. | 434. | 193. | 80. | 96. | 263. | 518. | 804. | 1029. | 6689. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 25. | 108. | 99. | 23. | 0. | 0. | 0. | 255. |