| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.4 | 47.0 | 52.7 | 60.0 | 68.7 | 78.3 | 88.1 | 87.2 | 77.6 | 66.0 | 50.1 | 41.8 | 63.2 |
| Highest Mean Max. Temperature (F) | 48.5 | 55.0 | 59.5 | 71.0 | 75.2 | 86.8 | 93.2 | 94.7 | 85.8 | 77.5 | 57.0 | 48.3 | 65.8 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1966 | 1974 | 1985 | 1971 | 1974 | 1988 | 1976 | 1979 | 1987 |
| Lowest Mean Max. Temperature (F) | 28.9 | 35.1 | 47.9 | 51.5 | 61.1 | 71.4 | 81.2 | 77.8 | 67.4 | 57.1 | 35.4 | 31.1 | 59.7 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1975 | 1977 | 1980 | 1983 | 1976 | 1985 | 1984 | 1985 | 1983 | 1985 |
| Mean Temperature (F) | 30.7 | 36.0 | 40.6 | 46.2 | 53.7 | 61.7 | 68.3 | 67.6 | 59.0 | 49.6 | 39.2 | 32.0 | 48.7 |
| Highest Mean Temperature (F) | 38.3 | 43.0 | 46.0 | 52.7 | 56.8 | 67.2 | 72.2 | 72.9 | 65.3 | 57.6 | 43.5 | 38.0 | 50.2 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1987 | 1969 | 1986 | 1985 | 1971 | 1967 | 1988 | 1966 | 1979 | 1986 |
| Lowest Mean Temperature (F) | 19.2 | 23.7 | 36.9 | 40.0 | 49.4 | 57.6 | 64.1 | 63.2 | 52.2 | 44.1 | 25.8 | 23.8 | 45.3 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1975 | 1977 | 1984 | 1986 | 1976 | 1985 | 1969 | 1985 | 1983 | 1985 |
| Mean Min. Temperature (F) | 21.0 | 25.0 | 28.4 | 32.3 | 38.6 | 45.2 | 48.6 | 47.8 | 40.4 | 33.2 | 28.2 | 22.1 | 34.2 |
| Highest Mean Min. Temperature (F) | 28.1 | 30.9 | 33.5 | 36.0 | 42.4 | 49.3 | 52.7 | 52.1 | 46.8 | 37.9 | 34.3 | 29.0 | 35.8 |
| Year Highest Occurred | 1986 | 1963 | 1983 | 1980 | 1963 | 1970 | 1975 | 1966 | 1963 | 1979 | 1966 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | 9.5 | 12.2 | 22.0 | 27.6 | 34.5 | 41.4 | 45.6 | 43.9 | 35.4 | 29.2 | 16.2 | 13.1 | 30.9 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1964 | 1966 | 1986 | 1987 | 1965 | 1971 | 1985 | 1990 | 1985 |
| Mean Precipitation (in.) | 1.15 | 0.82 | 1.12 | 1.21 | 1.56 | 1.36 | 0.52 | 0.95 | 0.84 | 0.93 | 1.47 | 1.40 | 13.33 |
| Highest Precipitation (in.) | 2.81 | 2.39 | 2.80 | 3.19 | 3.42 | 3.79 | 1.96 | 4.25 | 2.27 | 2.39 | 3.82 | 4.26 | 19.13 |
| Year Highest Occurred | 1965 | 1986 | 1984 | 1978 | 1981 | 1964 | 1975 | 1965 | 1982 | 1962 | 1968 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.10 | 0.19 | 0.31 | 0.25 | 0.15 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.35 | 0.14 | 9.03 |
| Year Lowest Occurred | 1961 | 1964 | 1968 | 1980 | 1964 | 1985 | 1988 | 1969 | 1987 | 1988 | 1989 | 1986 | 1974 |
| Heating Degree Days (F) | 1063. | 812. | 756. | 564. | 350. | 141. | 28. | 55. | 223. | 477. | 774. | 1023. | 6266. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 42. | 130. | 136. | 43. | 0. | 0. | 0. | 351. |