| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.2 | 44.5 | 51.3 | 60.6 | 70.9 | 82.1 | 87.5 | 84.8 | 76.9 | 65.9 | 51.6 | 41.1 | 63.0 |
| Highest Mean Max. Temperature (F) | 49.9 | 51.8 | 61.6 | 68.4 | 76.5 | 87.0 | 90.5 | 89.4 | 82.4 | 71.9 | 57.2 | 50.8 | 65.5 |
| Year Highest Occurred | 1981 | 1970 | 1972 | 1989 | 1974 | 1990 | 1989 | 1969 | 1979 | 1988 | 1981 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 31.1 | 38.2 | 45.9 | 53.8 | 66.2 | 76.0 | 83.4 | 79.6 | 71.5 | 55.9 | 44.4 | 34.2 | 61.2 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1983 | 1978 | 1965 | 1986 | 1968 | 1986 | 1984 | 1979 | 1967 | 1983 |
| Mean Temperature (F) | 25.1 | 30.8 | 37.5 | 45.2 | 54.6 | 64.3 | 71.0 | 68.9 | 60.6 | 49.7 | 37.4 | 27.5 | 47.7 |
| Highest Mean Temperature (F) | 33.6 | 36.9 | 43.6 | 49.9 | 58.9 | 68.1 | 73.0 | 73.1 | 64.1 | 54.7 | 41.8 | 36.3 | 49.6 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1989 | 1963 | 1974 | 1966 | 1969 | 1963 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 17.5 | 24.4 | 33.1 | 39.0 | 51.0 | 59.9 | 68.3 | 64.9 | 56.7 | 43.2 | 31.1 | 20.7 | 45.8 |
| Year Lowest Occurred | 1979 | 1974 | 1969 | 1970 | 1983 | 1965 | 1986 | 1968 | 1985 | 1984 | 1979 | 1978 | 1979 |
| Mean Min. Temperature (F) | 10.9 | 17.1 | 23.8 | 29.8 | 38.1 | 46.4 | 54.4 | 52.9 | 44.3 | 33.4 | 23.1 | 13.9 | 32.3 |
| Highest Mean Min. Temperature (F) | 20.1 | 23.7 | 29.3 | 33.2 | 41.6 | 50.1 | 56.6 | 56.8 | 48.0 | 41.5 | 29.0 | 21.7 | 34.5 |
| Year Highest Occurred | 1980 | 1976 | 1978 | 1990 | 1963 | 1977 | 1970 | 1969 | 1963 | 1972 | 1965 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 3.8 | 9.0 | 19.3 | 23.8 | 35.1 | 42.0 | 50.6 | 49.6 | 40.9 | 28.1 | 17.7 | 6.6 | 30.1 |
| Year Lowest Occurred | 1979 | 1974 | 1988 | 1970 | 1983 | 1975 | 1987 | 1975 | 1985 | 1982 | 1979 | 1990 | 1979 |
| Mean Precipitation (in.) | 0.89 | 0.87 | 1.35 | 0.85 | 0.90 | 0.48 | 1.26 | 1.48 | 1.33 | 1.46 | 1.16 | 1.18 | 13.21 |
| Highest Precipitation (in.) | 3.19 | 3.22 | 4.05 | 2.47 | 2.19 | 1.80 | 2.39 | 3.70 | 3.36 | 6.56 | 2.78 | 2.98 | 21.14 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1986 | 1965 | 1988 | 1990 | 1963 | 1986 | 1972 | 1985 | 1978 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.04 | 0.01 | 0.00 | 0.00 | 0.10 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 5.23 |
| Year Lowest Occurred | 1972 | 1972 | 1971 | 1989 | 1974 | 1980 | 1980 | 1962 | 1979 | 1964 | 1989 | 1989 | 1989 |
| Heating Degree Days (F) | 1237. | 958. | 853. | 594. | 322. | 81. | 0. | 11. | 146. | 474. | 828. | 1163. | 6667. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 60. | 186. | 132. | 14. | 0. | 0. | 0. | 392. |