| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 43.3 | 48.8 | 54.8 | 64.7 | 73.7 | 84.3 | 87.4 | 84.7 | 78.2 | 67.5 | 54.4 | 45.3 | 65.6 |
| Highest Mean Max. Temperature (F) | 54.8 | 54.6 | 64.6 | 73.2 | 79.9 | 89.2 | 91.1 | 89.0 | 83.6 | 73.1 | 60.2 | 54.8 | 68.5 |
| Year Highest Occurred | 1986 | 1981 | 1972 | 1989 | 1984 | 1990 | 1980 | 1962 | 1979 | 1988 | 1981 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 36.3 | 41.6 | 47.7 | 56.1 | 69.5 | 78.5 | 84.2 | 80.0 | 73.9 | 57.0 | 47.6 | 37.1 | 63.8 |
| Year Lowest Occurred | 1979 | 1964 | 1973 | 1983 | 1979 | 1965 | 1986 | 1968 | 1986 | 1984 | 1972 | 1990 | 1964 |
| Mean Temperature (F) | 27.9 | 33.5 | 39.1 | 46.6 | 55.3 | 65.2 | 71.0 | 69.0 | 61.8 | 49.9 | 38.1 | 29.7 | 48.9 |
| Highest Mean Temperature (F) | 34.2 | 37.8 | 44.8 | 52.3 | 60.3 | 69.4 | 73.0 | 71.7 | 65.2 | 54.1 | 41.7 | 37.7 | 51.4 |
| Year Highest Occurred | 1980 | 1976 | 1989 | 1989 | 1984 | 1990 | 1980 | 1969 | 1963 | 1963 | 1978 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 21.9 | 25.3 | 33.9 | 41.0 | 50.9 | 60.9 | 68.4 | 65.2 | 57.7 | 45.0 | 34.0 | 20.7 | 46.8 |
| Year Lowest Occurred | 1963 | 1964 | 1969 | 1983 | 1975 | 1965 | 1968 | 1968 | 1985 | 1984 | 1979 | 1990 | 1975 |
| Mean Min. Temperature (F) | 12.5 | 18.2 | 23.3 | 28.6 | 36.8 | 46.1 | 54.6 | 53.3 | 45.4 | 32.2 | 21.7 | 13.9 | 32.2 |
| Highest Mean Min. Temperature (F) | 25.6 | 23.8 | 29.6 | 33.0 | 40.7 | 50.7 | 58.0 | 56.9 | 49.8 | 39.5 | 30.4 | 22.9 | 35.4 |
| Year Highest Occurred | 1980 | 1978 | 1978 | 1990 | 1984 | 1981 | 1981 | 1977 | 1977 | 1972 | 1978 | 1983 | 1978 |
| Lowest Mean Min. Temperature (F) | 6.1 | 9.0 | 16.1 | 23.0 | 32.1 | 41.3 | 51.2 | 49.8 | 38.9 | 26.3 | 14.7 | 4.3 | 29.6 |
| Year Lowest Occurred | 1963 | 1964 | 1988 | 1970 | 1975 | 1975 | 1968 | 1975 | 1973 | 1973 | 1975 | 1990 | 1975 |
| Mean Precipitation (in.) | 0.80 | 0.74 | 1.05 | 0.64 | 0.51 | 0.45 | 1.91 | 2.26 | 1.31 | 1.29 | 0.95 | 0.96 | 12.87 |
| Highest Precipitation (in.) | 2.43 | 2.22 | 3.15 | 3.18 | 1.98 | 1.72 | 3.61 | 5.39 | 3.41 | 6.33 | 2.67 | 2.62 | 19.03 |
| Year Highest Occurred | 1980 | 1980 | 1973 | 1988 | 1979 | 1972 | 1965 | 1963 | 1971 | 1972 | 1978 | 1965 | 1965 |
| Lowest Precipitation (in.) | 0.02 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.68 | 0.05 | 0.00 | 0.02 | 0.05 | 5.44 |
| Year Lowest Occurred | 1976 | 1972 | 1972 | 1989 | 1974 | 1980 | 1978 | 1978 | 1989 | 1975 | 1989 | 1989 | 1989 |
| Heating Degree Days (F) | 1150. | 882. | 803. | 552. | 301. | 61. | 0. | 7. | 119. | 468. | 807. | 1094. | 6244. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 67. | 188. | 131. | 23. | 0. | 0. | 0. | 409. |