| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.2 | 46.8 | 51.3 | 58.6 | 68.0 | 77.6 | 87.6 | 86.6 | 78.3 | 67.1 | 50.8 | 42.9 | 63.2 |
| Highest Mean Max. Temperature (F) | 56.7 | 57.7 | 58.7 | 69.5 | 79.3 | 87.2 | 92.8 | 95.6 | 86.0 | 76.6 | 60.9 | 52.3 | 67.5 |
| Year Highest Occurred | 1961 | 1963 | 1968 | 1962 | 1966 | 1961 | 1967 | 1967 | 1962 | 1988 | 1976 | 1962 | 1961 |
| Lowest Mean Max. Temperature (F) | 32.7 | 37.6 | 44.2 | 45.9 | 55.2 | 70.6 | 81.0 | 77.3 | 68.5 | 56.5 | 41.3 | 34.1 | 59.3 |
| Year Lowest Occurred | 1977 | 1989 | 1975 | 1975 | 1977 | 1971 | 1983 | 1976 | 1986 | 1984 | 1985 | 1990 | 1975 |
| Mean Temperature (F) | 29.0 | 33.6 | 37.7 | 43.0 | 50.9 | 59.0 | 65.4 | 64.3 | 56.7 | 47.4 | 36.9 | 30.0 | 46.2 |
| Highest Mean Temperature (F) | 38.8 | 44.8 | 43.2 | 49.0 | 57.2 | 65.3 | 69.9 | 70.1 | 61.9 | 52.6 | 42.1 | 37.8 | 48.5 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1966 | 1961 | 1988 | 1967 | 1967 | 1987 | 1967 | 1962 | 1961 |
| Lowest Mean Temperature (F) | 14.6 | 21.6 | 32.8 | 34.4 | 43.4 | 53.6 | 60.4 | 58.7 | 51.7 | 41.8 | 26.9 | 19.7 | 43.9 |
| Year Lowest Occurred | 1977 | 1989 | 1977 | 1975 | 1977 | 1980 | 1983 | 1976 | 1986 | 1984 | 1985 | 1990 | 1982 |
| Mean Min. Temperature (F) | 15.6 | 20.3 | 24.1 | 27.3 | 33.7 | 40.3 | 43.2 | 41.9 | 35.2 | 27.6 | 23.0 | 17.2 | 29.1 |
| Highest Mean Min. Temperature (F) | 28.0 | 31.8 | 30.1 | 32.6 | 39.6 | 46.3 | 47.2 | 46.2 | 38.9 | 32.4 | 29.7 | 26.0 | 31.7 |
| Year Highest Occurred | 1986 | 1963 | 1983 | 1965 | 1963 | 1969 | 1988 | 1983 | 1963 | 1979 | 1970 | 1981 | 1986 |
| Lowest Mean Min. Temperature (F) | -3.5 | 5.6 | 18.4 | 22.9 | 30.2 | 36.0 | 38.7 | 37.9 | 31.0 | 24.3 | 12.5 | 5.2 | 26.7 |
| Year Lowest Occurred | 1977 | 1989 | 1976 | 1975 | 1974 | 1980 | 1963 | 1963 | 1971 | 1966 | 1985 | 1990 | 1989 |
| Mean Precipitation (in.) | 1.39 | 1.19 | 1.27 | 1.06 | 1.15 | 0.90 | 0.23 | 0.48 | 0.57 | 0.85 | 1.55 | 1.37 | 12.01 |
| Highest Precipitation (in.) | 4.24 | 5.08 | 3.34 | 2.98 | 2.99 | 3.35 | 1.27 | 3.00 | 2.12 | 6.17 | 3.26 | 4.17 | 19.07 |
| Year Highest Occurred | 1969 | 1986 | 1971 | 1978 | 1971 | 1969 | 1987 | 1965 | 1985 | 1962 | 1988 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.10 | 0.15 | 0.23 | 0.11 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.02 | 6.54 |
| Year Lowest Occurred | 1961 | 1967 | 1965 | 1977 | 1974 | 1974 | 1989 | 1988 | 1987 | 1978 | 1980 | 1976 | 1976 |
| Heating Degree Days (F) | 1116. | 879. | 846. | 660. | 437. | 204. | 74. | 95. | 258. | 546. | 843. | 1085. | 7043. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 24. | 86. | 73. | 9. | 0. | 0. | 0. | 192. |