| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.3 | 47.7 | 55.1 | 65.5 | 74.5 | 85.7 | 91.5 | 88.1 | 79.7 | 69.8 | 54.2 | 44.1 | 66.5 |
| Highest Mean Max. Temperature (F) | 55.0 | 56.3 | 64.8 | 72.7 | 80.5 | 92.6 | 96.3 | 94.0 | 86.4 | 79.7 | 61.0 | 52.4 | 69.7 |
| Year Highest Occurred | 1986 | 1976 | 1986 | 1981 | 1974 | 1990 | 1963 | 1988 | 1990 | 1963 | 1965 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 29.2 | 35.7 | 42.9 | 57.6 | 68.7 | 77.6 | 86.9 | 83.2 | 72.2 | 56.9 | 42.3 | 28.4 | 63.8 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1983 | 1973 | 1982 | 1973 | 1966 | 1965 | 1969 | 1972 | 1983 | 1985 |
| Mean Temperature (F) | 25.4 | 30.8 | 38.3 | 48.6 | 58.3 | 68.8 | 74.8 | 71.8 | 62.7 | 51.4 | 36.9 | 27.5 | 49.6 |
| Highest Mean Temperature (F) | 37.0 | 37.0 | 46.6 | 54.6 | 62.3 | 74.0 | 78.6 | 77.0 | 69.0 | 59.6 | 43.2 | 35.4 | 52.8 |
| Year Highest Occurred | 1986 | 1987 | 1986 | 1981 | 1963 | 1990 | 1966 | 1983 | 1990 | 1963 | 1981 | 1980 | 1986 |
| Lowest Mean Temperature (F) | 13.9 | 21.5 | 27.7 | 42.6 | 54.5 | 64.6 | 70.6 | 67.8 | 57.1 | 43.5 | 29.5 | 17.2 | 48.0 |
| Year Lowest Occurred | 1979 | 1978 | 1965 | 1973 | 1968 | 1969 | 1972 | 1974 | 1965 | 1969 | 1972 | 1983 | 1973 |
| Mean Min. Temperature (F) | 8.4 | 13.9 | 21.4 | 31.7 | 42.2 | 51.9 | 58.1 | 55.4 | 45.6 | 33.0 | 19.6 | 10.9 | 32.7 |
| Highest Mean Min. Temperature (F) | 19.0 | 23.5 | 28.4 | 36.5 | 47.4 | 55.4 | 62.8 | 60.0 | 51.6 | 39.5 | 27.3 | 18.3 | 36.1 |
| Year Highest Occurred | 1986 | 1987 | 1986 | 1985 | 1987 | 1977 | 1966 | 1983 | 1990 | 1963 | 1981 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | -1.8 | 7.0 | 12.5 | 25.4 | 38.0 | 48.8 | 53.5 | 51.1 | 39.1 | 28.9 | 13.9 | 4.8 | 30.4 |
| Year Lowest Occurred | 1963 | 1964 | 1965 | 1970 | 1968 | 1970 | 1972 | 1974 | 1971 | 1976 | 1979 | 1978 | 1970 |
| Mean Precipitation (in.) | 0.24 | 0.24 | 0.75 | 0.93 | 1.79 | 1.39 | 2.74 | 1.86 | 0.92 | 0.49 | 0.33 | 0.26 | 11.94 |
| Highest Precipitation (in.) | 1.13 | 1.41 | 2.32 | 4.00 | 5.58 | 4.64 | 5.85 | 4.78 | 2.64 | 2.19 | 1.64 | 1.24 | 19.50 |
| Year Highest Occurred | 1988 | 1987 | 1990 | 1980 | 1987 | 1965 | 1962 | 1965 | 1990 | 1984 | 1972 | 1979 | 1979 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.17 | 0.05 | 0.16 | 0.14 | 0.00 | 0.00 | 0.00 | 5.00 |
| Year Lowest Occurred | 1964 | 1977 | 1975 | 1963 | 1966 | 1980 | 1983 | 1973 | 1978 | 1980 | 1977 | 1980 | 1964 |
| Heating Degree Days (F) | 1228. | 958. | 828. | 492. | 222. | 29. | 0. | 8. | 129. | 426. | 843. | 1163. | 6326. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 14. | 143. | 307. | 219. | 60. | 0. | 0. | 0. | 743. |