| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.5 | 46.3 | 53.7 | 62.7 | 72.5 | 83.0 | 89.5 | 86.7 | 78.6 | 67.4 | 52.9 | 41.9 | 64.6 |
| Highest Mean Max. Temperature (F) | 53.5 | 54.3 | 64.8 | 73.3 | 80.5 | 89.2 | 93.9 | 91.8 | 83.9 | 76.6 | 58.6 | 50.5 | 68.4 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1989 | 1984 | 1986 | 1988 | 1986 | 1979 | 1988 | 1962 | 1980 | 1986 |
| Lowest Mean Max. Temperature (F) | 30.7 | 38.3 | 45.0 | 54.3 | 63.9 | 76.2 | 86.2 | 78.6 | 71.2 | 59.7 | 44.0 | 31.9 | 62.5 |
| Year Lowest Occurred | 1973 | 1985 | 1973 | 1975 | 1977 | 1965 | 1965 | 1968 | 1965 | 1969 | 1972 | 1972 | 1973 |
| Mean Temperature (F) | 25.4 | 31.6 | 37.6 | 44.9 | 53.9 | 62.7 | 70.0 | 68.2 | 59.3 | 48.3 | 36.4 | 26.7 | 47.1 |
| Highest Mean Temperature (F) | 34.5 | 38.7 | 44.0 | 51.3 | 58.6 | 67.7 | 73.0 | 72.6 | 62.2 | 53.2 | 40.1 | 35.2 | 49.4 |
| Year Highest Occurred | 1986 | 1968 | 1986 | 1989 | 1984 | 1981 | 1981 | 1986 | 1990 | 1988 | 1967 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 16.5 | 24.2 | 32.7 | 39.6 | 49.9 | 57.1 | 66.5 | 63.9 | 53.0 | 43.4 | 31.0 | 17.5 | 45.6 |
| Year Lowest Occurred | 1989 | 1985 | 1964 | 1975 | 1977 | 1965 | 1962 | 1968 | 1965 | 1984 | 1964 | 1972 | 1964 |
| Mean Min. Temperature (F) | 10.3 | 16.8 | 21.5 | 27.1 | 35.2 | 42.4 | 50.4 | 49.6 | 39.9 | 29.1 | 20.0 | 11.6 | 29.5 |
| Highest Mean Min. Temperature (F) | 21.2 | 25.9 | 28.9 | 31.1 | 39.2 | 49.0 | 54.9 | 55.1 | 45.4 | 36.0 | 24.2 | 19.9 | 32.3 |
| Year Highest Occurred | 1978 | 1968 | 1978 | 1978 | 1974 | 1981 | 1981 | 1969 | 1981 | 1972 | 1965 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | -1.1 | 7.3 | 15.0 | 22.8 | 30.7 | 38.0 | 44.7 | 44.3 | 34.7 | 25.3 | 15.2 | 1.8 | 26.8 |
| Year Lowest Occurred | 1989 | 1964 | 1976 | 1984 | 1983 | 1965 | 1983 | 1976 | 1965 | 1970 | 1964 | 1990 | 1989 |
| Mean Precipitation (in.) | 0.69 | 0.83 | 1.11 | 0.90 | 0.66 | 0.46 | 1.18 | 1.18 | 0.91 | 0.81 | 0.86 | 0.62 | 10.21 |
| Highest Precipitation (in.) | 3.03 | 2.85 | 3.36 | 2.85 | 2.90 | 2.81 | 3.93 | 3.70 | 2.86 | 2.01 | 2.42 | 1.92 | 16.41 |
| Year Highest Occurred | 1980 | 1969 | 1978 | 1988 | 1977 | 1982 | 1984 | 1968 | 1982 | 1971 | 1963 | 1965 | 1978 |
| Lowest Precipitation (in.) | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.02 | 0.00 | 0.02 | 0.00 | 5.65 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1977 | 1974 | 1986 | 1979 | 1985 | 1974 | 1967 | 1962 | 1989 | 1966 |
| Heating Degree Days (F) | 1228. | 935. | 849. | 603. | 348. | 110. | 8. | 25. | 186. | 518. | 858. | 1187. | 6855. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 41. | 163. | 125. | 15. | 0. | 0. | 0. | 344. |