| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 50.1 | 54.4 | 58.8 | 66.6 | 75.4 | 85.7 | 90.0 | 87.2 | 81.9 | 72.4 | 60.0 | 51.1 | 69.5 |
| Highest Mean Max. Temperature (F) | 59.5 | 64.1 | 69.6 | 77.2 | 81.9 | 92.4 | 94.2 | 91.8 | 87.6 | 80.5 | 66.6 | 60.3 | 73.0 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1961 | 1989 | 1962 | 1979 | 1964 | 1967 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 41.1 | 45.7 | 48.8 | 57.6 | 68.6 | 81.1 | 85.1 | 81.8 | 73.7 | 63.9 | 53.0 | 40.8 | 66.7 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1980 | 1965 | 1986 | 1968 | 1986 | 1972 | 1972 | 1971 | 1982 |
| Mean Temperature (F) | 35.2 | 38.3 | 41.9 | 48.6 | 56.9 | 66.2 | 72.6 | 70.5 | 64.3 | 54.2 | 43.2 | 35.4 | 52.3 |
| Highest Mean Temperature (F) | 41.8 | 45.9 | 47.9 | 56.1 | 62.5 | 72.9 | 76.5 | 73.7 | 68.4 | 60.0 | 48.2 | 43.3 | 55.0 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1961 | 1961 | 1966 | 1963 | 1964 | 1962 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 29.4 | 30.3 | 36.6 | 41.7 | 50.5 | 62.3 | 69.5 | 66.0 | 58.6 | 48.5 | 38.8 | 29.0 | 49.6 |
| Year Lowest Occurred | 1968 | 1966 | 1973 | 1975 | 1971 | 1965 | 1986 | 1968 | 1986 | 1984 | 1972 | 1990 | 1971 |
| Mean Min. Temperature (F) | 20.2 | 22.3 | 25.0 | 30.5 | 38.2 | 46.6 | 55.1 | 53.6 | 46.5 | 36.0 | 26.4 | 19.7 | 35.0 |
| Highest Mean Min. Temperature (F) | 28.3 | 27.9 | 32.9 | 36.9 | 43.2 | 53.4 | 59.3 | 58.0 | 51.4 | 41.7 | 31.3 | 26.3 | 37.8 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1990 | 1963 | 1961 | 1961 | 1963 | 1983 | 1963 | 1978 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 14.5 | 14.9 | 19.6 | 23.6 | 31.1 | 42.6 | 51.2 | 48.5 | 41.2 | 31.6 | 22.5 | 10.7 | 31.8 |
| Year Lowest Occurred | 1968 | 1966 | 1977 | 1970 | 1971 | 1980 | 1987 | 1975 | 1973 | 1980 | 1980 | 1968 | 1971 |
| Mean Precipitation (in.) | 0.96 | 0.89 | 1.23 | 0.51 | 0.47 | 0.36 | 2.12 | 2.12 | 1.07 | 0.82 | 0.94 | 1.07 | 12.56 |
| Highest Precipitation (in.) | 3.16 | 2.70 | 3.54 | 2.80 | 1.76 | 1.61 | 7.27 | 5.15 | 5.16 | 4.62 | 3.41 | 6.35 | 19.09 |
| Year Highest Occurred | 1978 | 1980 | 1970 | 1988 | 1979 | 1968 | 1970 | 1971 | 1983 | 1972 | 1978 | 1967 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.14 | 0.12 | 0.00 | 0.00 | 0.00 | 0.05 | 6.89 |
| Year Lowest Occurred | 1976 | 1989 | 1988 | 1989 | 1983 | 1989 | 1972 | 1985 | 1979 | 1964 | 1989 | 1981 | 1962 |
| Heating Degree Days (F) | 924. | 748. | 716. | 492. | 262. | 64. | 0. | 7. | 82. | 345. | 654. | 918. | 5212. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 11. | 100. | 239. | 177. | 61. | 11. | 0. | 0. | 599. |