| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.9 | 42.9 | 49.1 | 59.9 | 69.4 | 80.3 | 87.9 | 85.7 | 76.2 | 65.1 | 49.4 | 39.7 | 62.0 |
| Highest Mean Max. Temperature (F) | 46.4 | 53.2 | 60.4 | 66.4 | 76.1 | 85.1 | 93.7 | 91.1 | 83.1 | 74.9 | 57.1 | 48.8 | 65.4 |
| Year Highest Occurred | 1965 | 1970 | 1972 | 1981 | 1966 | 1963 | 1964 | 1983 | 1977 | 1963 | 1963 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 22.0 | 29.8 | 38.6 | 48.9 | 62.2 | 72.1 | 83.2 | 79.7 | 66.7 | 52.4 | 34.7 | 21.2 | 58.8 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1984 | 1967 | 1982 | 1990 | 1987 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Temperature (F) | 24.5 | 29.1 | 34.9 | 44.9 | 54.6 | 65.1 | 71.9 | 69.5 | 59.8 | 48.7 | 35.4 | 26.5 | 47.1 |
| Highest Mean Temperature (F) | 31.9 | 35.5 | 44.1 | 50.6 | 59.6 | 70.7 | 75.6 | 74.0 | 65.2 | 56.9 | 41.0 | 33.3 | 49.5 |
| Year Highest Occurred | 1965 | 1976 | 1986 | 1981 | 1987 | 1988 | 1964 | 1983 | 1977 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 10.3 | 18.0 | 24.1 | 38.1 | 48.8 | 58.7 | 68.9 | 66.1 | 52.5 | 40.4 | 23.0 | 10.7 | 44.5 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1984 | 1983 | 1982 | 1982 | 1974 | 1965 | 1969 | 1985 | 1983 | 1985 |
| Mean Min. Temperature (F) | 11.2 | 15.2 | 20.5 | 29.8 | 39.7 | 49.8 | 55.8 | 53.3 | 43.3 | 32.2 | 21.3 | 13.2 | 32.1 |
| Highest Mean Min. Temperature (F) | 19.7 | 21.6 | 29.8 | 34.7 | 47.5 | 56.7 | 60.3 | 56.8 | 50.0 | 38.8 | 26.9 | 18.5 | 35.7 |
| Year Highest Occurred | 1990 | 1987 | 1986 | 1981 | 1987 | 1988 | 1966 | 1983 | 1990 | 1963 | 1990 | 1988 | 1986 |
| Lowest Mean Min. Temperature (F) | -1.4 | 6.2 | 9.5 | 25.0 | 34.8 | 45.2 | 53.0 | 49.2 | 38.3 | 27.9 | 11.2 | 0.1 | 29.7 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1983 | 1982 | 1972 | 1974 | 1965 | 1976 | 1985 | 1983 | 1985 |
| Mean Precipitation (in.) | 0.51 | 0.53 | 1.33 | 2.04 | 3.45 | 3.26 | 2.39 | 1.81 | 1.38 | 1.06 | 0.73 | 0.54 | 19.03 |
| Highest Precipitation (in.) | 1.76 | 2.12 | 4.28 | 4.99 | 7.58 | 8.99 | 6.56 | 4.25 | 4.60 | 4.42 | 2.12 | 1.57 | 26.14 |
| Year Highest Occurred | 1973 | 1987 | 1983 | 1986 | 1988 | 1965 | 1982 | 1968 | 1973 | 1969 | 1972 | 1973 | 1982 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.36 | 0.54 | 0.22 | 0.77 | 0.46 | 0.22 | 0.04 | 0.00 | 0.05 | 0.10 | 10.87 |
| Year Lowest Occurred | 1986 | 1983 | 1976 | 1963 | 1966 | 1989 | 1988 | 1964 | 1978 | 1988 | 1988 | 1964 | 1989 |
| Heating Degree Days (F) | 1256. | 1005. | 933. | 603. | 331. | 89. | 6. | 18. | 189. | 505. | 888. | 1194. | 7017. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 92. | 220. | 158. | 33. | 0. | 0. | 0. | 511. |