| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.4 | 46.0 | 51.1 | 58.6 | 66.8 | 75.9 | 83.3 | 81.9 | 75.6 | 67.1 | 53.7 | 44.6 | 62.3 |
| Highest Mean Max. Temperature (F) | 54.1 | 55.7 | 60.2 | 67.5 | 73.8 | 81.7 | 87.2 | 88.8 | 81.0 | 75.0 | 61.6 | 55.2 | 66.5 |
| Year Highest Occurred | 1986 | 1977 | 1984 | 1987 | 1984 | 1985 | 1989 | 1981 | 1979 | 1988 | 1976 | 1981 | 1981 |
| Lowest Mean Max. Temperature (F) | 33.7 | 35.3 | 39.7 | 44.4 | 58.3 | 68.8 | 80.7 | 75.5 | 67.6 | 58.9 | 45.6 | 35.4 | 58.8 |
| Year Lowest Occurred | 1987 | 1969 | 1969 | 1967 | 1977 | 1963 | 1974 | 1968 | 1986 | 1972 | 1972 | 1965 | 1965 |
| Mean Temperature (F) | 25.1 | 28.7 | 34.3 | 40.0 | 47.7 | 55.7 | 61.3 | 59.8 | 52.7 | 44.4 | 35.0 | 27.3 | 42.7 |
| Highest Mean Temperature (F) | 37.9 | 39.1 | 41.9 | 46.7 | 53.8 | 61.5 | 65.8 | 64.4 | 57.0 | 49.1 | 39.8 | 35.9 | 46.1 |
| Year Highest Occurred | 1986 | 1963 | 1989 | 1989 | 1984 | 1981 | 1984 | 1986 | 1983 | 1963 | 1980 | 1981 | 1986 |
| Lowest Mean Temperature (F) | 16.4 | 17.7 | 19.7 | 32.3 | 41.2 | 52.0 | 58.3 | 54.3 | 47.3 | 39.0 | 28.1 | 19.7 | 39.8 |
| Year Lowest Occurred | 1982 | 1969 | 1969 | 1967 | 1977 | 1965 | 1977 | 1976 | 1965 | 1969 | 1972 | 1978 | 1969 |
| Mean Min. Temperature (F) | 7.8 | 11.4 | 17.5 | 21.5 | 28.5 | 35.5 | 39.3 | 37.6 | 29.8 | 21.7 | 16.3 | 9.9 | 23.1 |
| Highest Mean Min. Temperature (F) | 21.6 | 23.1 | 27.5 | 28.2 | 33.7 | 41.5 | 46.0 | 42.7 | 36.2 | 29.7 | 23.0 | 21.2 | 27.4 |
| Year Highest Occurred | 1986 | 1963 | 1989 | 1990 | 1984 | 1981 | 1984 | 1984 | 1983 | 1963 | 1988 | 1964 | 1986 |
| Lowest Mean Min. Temperature (F) | -2.2 | 0.0 | -0.4 | 15.1 | 23.7 | 30.5 | 34.1 | 32.7 | 23.3 | 17.4 | 10.4 | 0.3 | 19.5 |
| Year Lowest Occurred | 1982 | 1969 | 1969 | 1970 | 1968 | 1976 | 1977 | 1976 | 1964 | 1969 | 1969 | 1976 | 1969 |
| Mean Precipitation (in.) | 1.56 | 1.46 | 1.07 | 0.47 | 0.59 | 0.68 | 0.48 | 0.53 | 0.62 | 0.34 | 1.11 | 1.24 | 10.15 |
| Highest Precipitation (in.) | 7.69 | 6.83 | 4.98 | 2.35 | 2.73 | 3.99 | 1.85 | 2.45 | 2.30 | 1.54 | 4.02 | 4.12 | 22.70 |
| Year Highest Occurred | 1969 | 1986 | 1982 | 1982 | 1963 | 1982 | 1976 | 1983 | 1985 | 1972 | 1965 | 1977 | 1982 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.02 |
| Year Lowest Occurred | 1990 | 1990 | 1990 | 1985 | 1985 | 1981 | 1987 | 1987 | 1987 | 1990 | 1990 | 1989 | 1990 |
| Heating Degree Days (F) | 1237. | 1016. | 952. | 750. | 536. | 286. | 138. | 179. | 369. | 639. | 900. | 1169. | 8171. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 7. | 23. | 18. | 0. | 0. | 0. | 0. | 48. |