| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.1 | 46.0 | 53.2 | 62.4 | 71.2 | 80.6 | 84.6 | 81.8 | 76.3 | 66.3 | 52.3 | 42.8 | 63.2 |
| Highest Mean Max. Temperature (F) | 51.9 | 53.9 | 61.4 | 71.1 | 76.6 | 85.5 | 89.7 | 86.3 | 82.8 | 73.9 | 58.6 | 52.6 | 66.9 |
| Year Highest Occurred | 1986 | 1981 | 1972 | 1989 | 1974 | 1981 | 1963 | 1962 | 1963 | 1963 | 1962 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 33.5 | 38.8 | 48.2 | 55.7 | 67.3 | 76.1 | 80.6 | 77.5 | 72.3 | 55.8 | 43.5 | 36.3 | 60.7 |
| Year Lowest Occurred | 1979 | 1964 | 1973 | 1973 | 1980 | 1969 | 1986 | 1968 | 1986 | 1984 | 1972 | 1971 | 1982 |
| Mean Temperature (F) | 27.9 | 32.8 | 38.9 | 47.0 | 55.1 | 63.6 | 69.0 | 66.7 | 60.8 | 51.0 | 38.9 | 30.1 | 48.5 |
| Highest Mean Temperature (F) | 38.3 | 37.9 | 44.6 | 54.3 | 59.2 | 68.1 | 72.3 | 68.8 | 66.5 | 57.0 | 42.5 | 38.6 | 50.9 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1989 | 1974 | 1990 | 1963 | 1970 | 1990 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 22.6 | 24.9 | 34.4 | 41.6 | 51.7 | 60.0 | 66.1 | 63.8 | 57.9 | 44.1 | 32.1 | 25.9 | 46.9 |
| Year Lowest Occurred | 1988 | 1964 | 1962 | 1973 | 1980 | 1970 | 1986 | 1968 | 1961 | 1984 | 1979 | 1967 | 1975 |
| Mean Min. Temperature (F) | 14.7 | 19.5 | 24.6 | 31.4 | 38.8 | 46.6 | 53.2 | 51.6 | 45.3 | 35.7 | 25.5 | 17.3 | 33.7 |
| Highest Mean Min. Temperature (F) | 24.6 | 24.0 | 28.9 | 37.5 | 42.1 | 52.4 | 56.5 | 54.2 | 54.0 | 40.2 | 31.2 | 24.6 | 36.0 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1989 | 1988 | 1971 | 1971 | 1990 | 1990 | 1972 | 1987 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 8.6 | 10.9 | 17.5 | 26.8 | 34.5 | 42.3 | 50.1 | 48.7 | 41.9 | 31.0 | 19.7 | 12.4 | 31.4 |
| Year Lowest Occurred | 1964 | 1964 | 1962 | 1970 | 1977 | 1970 | 1987 | 1965 | 1968 | 1970 | 1979 | 1968 | 1964 |
| Mean Precipitation (in.) | 0.71 | 0.63 | 0.74 | 0.71 | 0.79 | 0.88 | 1.75 | 2.20 | 1.31 | 1.10 | 0.79 | 0.60 | 12.21 |
| Highest Precipitation (in.) | 2.12 | 1.78 | 2.24 | 2.41 | 2.31 | 3.07 | 3.82 | 6.85 | 3.16 | 4.33 | 2.88 | 1.57 | 17.74 |
| Year Highest Occurred | 1974 | 1963 | 1973 | 1977 | 1979 | 1966 | 1969 | 1967 | 1971 | 1972 | 1978 | 1984 | 1969 |
| Lowest Precipitation (in.) | 0.02 | 0.02 | 0.06 | 0.02 | 0.04 | 0.03 | 0.20 | 0.23 | 0.13 | 0.05 | 0.00 | 0.00 | 8.10 |
| Year Lowest Occurred | 1986 | 1977 | 1966 | 1967 | 1975 | 1980 | 1987 | 1962 | 1968 | 1967 | 1989 | 1963 | 1962 |
| Heating Degree Days (F) | 1150. | 902. | 809. | 540. | 307. | 92. | 5. | 20. | 143. | 434. | 783. | 1082. | 6267. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 50. | 129. | 73. | 17. | 0. | 0. | 0. | 269. |