| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.3 | 47.8 | 51.6 | 56.2 | 62.3 | 66.6 | 69.8 | 69.8 | 65.7 | 57.4 | 49.5 | 44.7 | 57.1 |
| Highest Mean Max. Temperature (F) | 51.9 | 53.1 | 55.7 | 61.3 | 66.2 | 71.6 | 73.5 | 73.7 | 69.4 | 63.1 | 53.0 | 49.7 | 59.6 |
| Year Highest Occurred | 1986 | 1977 | 1987 | 1989 | 1983 | 1978 | 1985 | 1967 | 1974 | 1987 | 1987 | 1979 | 1987 |
| Lowest Mean Max. Temperature (F) | 34.6 | 40.9 | 47.5 | 52.5 | 58.6 | 62.2 | 66.5 | 66.2 | 60.8 | 54.4 | 38.5 | 39.5 | 55.2 |
| Year Lowest Occurred | 1969 | 1989 | 1976 | 1972 | 1974 | 1971 | 1986 | 1973 | 1972 | 1984 | 1985 | 1983 | 1971 |
| Mean Temperature (F) | 39.5 | 42.1 | 44.8 | 48.4 | 53.2 | 57.2 | 59.9 | 60.2 | 57.0 | 50.8 | 44.3 | 40.1 | 49.8 |
| Highest Mean Temperature (F) | 45.9 | 46.2 | 49.0 | 51.9 | 56.7 | 61.4 | 62.5 | 62.0 | 60.1 | 53.6 | 47.5 | 45.0 | 51.5 |
| Year Highest Occurred | 1986 | 1977 | 1983 | 1980 | 1983 | 1978 | 1984 | 1990 | 1979 | 1987 | 1987 | 1979 | 1987 |
| Lowest Mean Temperature (F) | 30.5 | 34.9 | 41.1 | 44.8 | 49.9 | 54.2 | 57.7 | 57.2 | 53.2 | 47.9 | 33.5 | 34.6 | 48.2 |
| Year Lowest Occurred | 1969 | 1989 | 1976 | 1972 | 1965 | 1971 | 1986 | 1973 | 1972 | 1972 | 1985 | 1983 | 1972 |
| Mean Min. Temperature (F) | 34.7 | 36.4 | 37.9 | 40.6 | 44.1 | 47.7 | 49.9 | 50.5 | 48.2 | 44.1 | 39.0 | 35.5 | 42.4 |
| Highest Mean Min. Temperature (F) | 40.1 | 40.6 | 42.4 | 43.7 | 47.4 | 51.1 | 53.2 | 52.5 | 52.2 | 47.7 | 42.0 | 40.3 | 43.9 |
| Year Highest Occurred | 1983 | 1983 | 1983 | 1990 | 1979 | 1978 | 1984 | 1979 | 1979 | 1988 | 1983 | 1979 | 1981 |
| Lowest Mean Min. Temperature (F) | 26.3 | 28.8 | 34.2 | 37.0 | 40.5 | 45.1 | 47.5 | 48.0 | 45.6 | 41.4 | 28.4 | 29.6 | 40.8 |
| Year Lowest Occurred | 1969 | 1989 | 1962 | 1972 | 1965 | 1976 | 1962 | 1970 | 1972 | 1972 | 1985 | 1983 | 1985 |
| Mean Precipitation (in.) | 4.09 | 2.87 | 2.34 | 2.00 | 1.64 | 1.27 | 0.97 | 1.10 | 1.57 | 2.72 | 4.15 | 4.26 | 28.98 |
| Highest Precipitation (in.) | 7.75 | 6.36 | 4.00 | 3.78 | 3.27 | 2.89 | 3.62 | 3.29 | 3.66 | 7.61 | 10.91 | 8.35 | 37.26 |
| Year Highest Occurred | 1971 | 1982 | 1972 | 1969 | 1988 | 1980 | 1966 | 1962 | 1969 | 1967 | 1990 | 1979 | 1990 |
| Lowest Precipitation (in.) | 0.62 | 0.74 | 0.44 | 0.55 | 0.49 | 0.43 | 0.00 | 0.00 | 0.15 | 0.22 | 1.13 | 0.60 | 18.69 |
| Year Lowest Occurred | 1985 | 1969 | 1965 | 1971 | 1982 | 1970 | 1984 | 1986 | 1989 | 1987 | 1976 | 1985 | 1985 |
| Heating Degree Days (F) | 791. | 641. | 626. | 498. | 366. | 234. | 160. | 153. | 240. | 440. | 621. | 772. | 5542. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 0. |