| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.1 | 49.0 | 52.5 | 56.7 | 62.7 | 67.6 | 71.5 | 72.5 | 68.0 | 58.8 | 50.3 | 45.2 | 58.3 |
| Highest Mean Max. Temperature (F) | 51.0 | 54.7 | 56.5 | 60.8 | 66.4 | 73.3 | 76.6 | 78.1 | 73.6 | 62.4 | 54.4 | 49.3 | 60.8 |
| Year Highest Occurred | 1986 | 1963 | 1981 | 1989 | 1972 | 1961 | 1961 | 1961 | 1974 | 1987 | 1965 | 1979 | 1961 |
| Lowest Mean Max. Temperature (F) | 36.8 | 41.7 | 48.3 | 54.1 | 60.2 | 63.9 | 67.4 | 66.9 | 64.2 | 56.4 | 40.2 | 39.5 | 56.2 |
| Year Lowest Occurred | 1969 | 1989 | 1976 | 1972 | 1974 | 1980 | 1986 | 1976 | 1978 | 1990 | 1985 | 1983 | 1964 |
| Mean Temperature (F) | 39.5 | 42.2 | 44.6 | 48.1 | 53.2 | 57.6 | 60.7 | 61.4 | 57.2 | 50.2 | 44.0 | 40.0 | 49.9 |
| Highest Mean Temperature (F) | 45.2 | 46.9 | 48.0 | 51.2 | 55.9 | 60.8 | 63.4 | 63.7 | 60.7 | 52.8 | 47.7 | 45.3 | 51.1 |
| Year Highest Occurred | 1986 | 1963 | 1983 | 1989 | 1983 | 1969 | 1961 | 1977 | 1967 | 1965 | 1987 | 1979 | 1987 |
| Lowest Mean Temperature (F) | 32.1 | 34.4 | 41.2 | 45.8 | 50.8 | 54.5 | 59.0 | 58.9 | 54.3 | 47.2 | 34.2 | 33.6 | 47.8 |
| Year Lowest Occurred | 1969 | 1989 | 1976 | 1972 | 1964 | 1964 | 1986 | 1976 | 1972 | 1964 | 1985 | 1983 | 1964 |
| Mean Min. Temperature (F) | 33.9 | 35.2 | 36.6 | 39.5 | 43.6 | 47.5 | 49.9 | 50.2 | 46.3 | 41.5 | 37.6 | 34.7 | 41.4 |
| Highest Mean Min. Temperature (F) | 39.4 | 39.0 | 40.4 | 43.0 | 46.4 | 50.3 | 52.3 | 53.1 | 49.3 | 46.0 | 41.6 | 41.3 | 43.0 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1990 | 1969 | 1990 | 1990 | 1990 | 1988 | 1987 | 1979 | 1990 |
| Lowest Mean Min. Temperature (F) | 26.5 | 27.1 | 32.1 | 36.7 | 40.4 | 44.0 | 47.9 | 48.5 | 43.6 | 35.7 | 28.2 | 27.6 | 39.4 |
| Year Lowest Occurred | 1979 | 1989 | 1962 | 1982 | 1964 | 1964 | 1973 | 1966 | 1972 | 1964 | 1985 | 1983 | 1964 |
| Mean Precipitation (in.) | 2.53 | 1.76 | 1.83 | 1.78 | 1.66 | 1.26 | 0.82 | 0.98 | 1.36 | 1.65 | 2.60 | 2.91 | 21.14 |
| Highest Precipitation (in.) | 7.01 | 3.24 | 2.98 | 3.76 | 3.55 | 3.04 | 2.35 | 2.67 | 3.62 | 4.17 | 6.84 | 6.72 | 29.18 |
| Year Highest Occurred | 1971 | 1961 | 1989 | 1972 | 1984 | 1980 | 1974 | 1975 | 1983 | 1985 | 1990 | 1971 | 1971 |
| Lowest Precipitation (in.) | 0.34 | 0.55 | 0.42 | 0.64 | 0.57 | 0.20 | 0.02 | 0.00 | 0.15 | 0.08 | 0.71 | 0.50 | 13.22 |
| Year Lowest Occurred | 1985 | 1973 | 1965 | 1971 | 1972 | 1987 | 1984 | 1967 | 1990 | 1987 | 1976 | 1985 | 1987 |
| Heating Degree Days (F) | 791. | 638. | 632. | 507. | 366. | 222. | 136. | 119. | 234. | 459. | 630. | 775. | 5509. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 7. | 0. | 0. | 0. | 0. | 7. |