| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.8 | 42.6 | 48.8 | 60.2 | 69.4 | 80.3 | 88.4 | 86.2 | 77.1 | 65.7 | 49.8 | 39.8 | 62.1 |
| Highest Mean Max. Temperature (F) | 47.3 | 52.0 | 58.5 | 65.8 | 75.0 | 87.1 | 93.4 | 91.1 | 83.0 | 74.0 | 57.1 | 51.0 | 64.5 |
| Year Highest Occurred | 1981 | 1970 | 1986 | 1981 | 1989 | 1990 | 1964 | 1983 | 1978 | 1963 | 1989 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 24.7 | 31.1 | 37.6 | 49.4 | 63.3 | 73.1 | 83.7 | 82.2 | 66.5 | 51.3 | 36.4 | 22.8 | 59.8 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1984 | 1967 | 1967 | 1972 | 1979 | 1965 | 1969 | 1972 | 1983 | 1973 |
| Mean Temperature (F) | 24.6 | 29.9 | 36.1 | 46.4 | 55.8 | 66.0 | 73.3 | 71.2 | 61.7 | 50.4 | 36.9 | 27.4 | 48.3 |
| Highest Mean Temperature (F) | 32.7 | 35.9 | 44.9 | 52.2 | 59.7 | 71.9 | 76.8 | 76.3 | 66.7 | 57.6 | 42.5 | 36.7 | 50.4 |
| Year Highest Occurred | 1981 | 1987 | 1986 | 1981 | 1977 | 1988 | 1964 | 1983 | 1963 | 1963 | 1981 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 13.3 | 21.0 | 25.3 | 39.5 | 51.1 | 60.5 | 69.5 | 67.9 | 53.5 | 41.2 | 27.0 | 12.6 | 46.8 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1984 | 1967 | 1969 | 1972 | 1974 | 1965 | 1969 | 1985 | 1983 | 1978 |
| Mean Min. Temperature (F) | 12.3 | 17.2 | 23.4 | 32.6 | 42.1 | 51.6 | 58.1 | 56.1 | 46.3 | 35.1 | 24.0 | 14.9 | 34.5 |
| Highest Mean Min. Temperature (F) | 20.7 | 23.7 | 31.3 | 38.6 | 47.2 | 57.1 | 61.5 | 61.5 | 52.1 | 41.2 | 28.8 | 22.3 | 36.5 |
| Year Highest Occurred | 1983 | 1987 | 1986 | 1981 | 1987 | 1988 | 1966 | 1983 | 1963 | 1963 | 1981 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 1.6 | 9.5 | 12.9 | 28.5 | 38.8 | 47.5 | 55.2 | 53.1 | 40.5 | 30.6 | 16.3 | 2.3 | 32.9 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1983 | 1968 | 1969 | 1972 | 1974 | 1965 | 1976 | 1985 | 1983 | 1978 |
| Mean Precipitation (in.) | 0.33 | 0.33 | 1.06 | 1.60 | 3.27 | 2.99 | 3.28 | 1.89 | 1.04 | 0.76 | 0.50 | 0.40 | 17.45 |
| Highest Precipitation (in.) | 1.01 | 1.87 | 3.44 | 4.45 | 6.68 | 7.42 | 6.51 | 5.02 | 2.87 | 4.42 | 1.84 | 1.08 | 24.50 |
| Year Highest Occurred | 1990 | 1987 | 1981 | 1986 | 1988 | 1989 | 1990 | 1969 | 1973 | 1969 | 1987 | 1965 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.07 | 0.32 | 0.62 | 0.52 | 0.23 | 0.46 | 0.00 | 0.00 | 0.00 | 0.00 | 9.74 |
| Year Lowest Occurred | 1983 | 1979 | 1978 | 1965 | 1974 | 1990 | 1978 | 1985 | 1978 | 1988 | 1989 | 1981 | 1974 |
| Heating Degree Days (F) | 1252. | 983. | 896. | 558. | 294. | 74. | 0. | 11. | 153. | 453. | 843. | 1166. | 6683. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 104. | 257. | 203. | 54. | 0. | 0. | 0. | 627. |