| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.4 | 42.7 | 52.9 | 62.9 | 72.6 | 81.5 | 90.5 | 89.4 | 79.0 | 65.4 | 47.4 | 35.9 | 62.9 |
| Highest Mean Max. Temperature (F) | 42.5 | 53.0 | 59.9 | 71.2 | 78.8 | 89.7 | 94.5 | 97.1 | 88.2 | 73.9 | 54.7 | 43.3 | 65.7 |
| Year Highest Occurred | 1961 | 1963 | 1978 | 1987 | 1966 | 1961 | 1961 | 1967 | 1967 | 1988 | 1976 | 1962 | 1966 |
| Lowest Mean Max. Temperature (F) | 24.2 | 27.7 | 45.3 | 54.1 | 66.2 | 75.9 | 84.1 | 82.7 | 68.4 | 58.4 | 34.0 | 19.7 | 57.2 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1975 | 1977 | 1964 | 1986 | 1976 | 1986 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 25.3 | 32.2 | 40.0 | 47.3 | 55.5 | 63.7 | 70.6 | 69.1 | 59.5 | 48.3 | 36.5 | 27.0 | 47.9 |
| Highest Mean Temperature (F) | 33.8 | 40.1 | 45.9 | 52.8 | 59.7 | 69.3 | 75.0 | 74.4 | 66.8 | 54.5 | 40.8 | 35.0 | 49.8 |
| Year Highest Occurred | 1978 | 1963 | 1986 | 1990 | 1969 | 1977 | 1985 | 1961 | 1990 | 1988 | 1962 | 1962 | 1961 |
| Lowest Mean Temperature (F) | 12.6 | 16.7 | 33.3 | 41.4 | 51.7 | 59.6 | 66.8 | 64.9 | 54.0 | 44.0 | 26.0 | 11.1 | 43.7 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1970 | 1977 | 1981 | 1986 | 1976 | 1985 | 1969 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 16.0 | 21.6 | 27.1 | 31.7 | 38.4 | 45.8 | 50.6 | 48.8 | 40.0 | 31.2 | 25.5 | 18.0 | 32.9 |
| Highest Mean Min. Temperature (F) | 26.8 | 28.9 | 33.4 | 36.2 | 42.3 | 51.6 | 56.5 | 57.8 | 46.6 | 36.1 | 30.7 | 28.1 | 35.3 |
| Year Highest Occurred | 1978 | 1980 | 1986 | 1990 | 1985 | 1977 | 1985 | 1984 | 1963 | 1963 | 1966 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | 0.9 | 5.6 | 19.8 | 26.5 | 35.3 | 41.0 | 45.0 | 44.0 | 35.0 | 24.1 | 18.0 | 2.4 | 30.1 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1970 | 1982 | 1981 | 1981 | 1978 | 1970 | 1978 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 2.57 | 2.02 | 2.09 | 1.67 | 1.26 | 1.24 | 0.49 | 0.65 | 0.91 | 1.35 | 2.71 | 2.70 | 19.66 |
| Highest Precipitation (in.) | 8.48 | 6.08 | 4.15 | 4.14 | 3.41 | 3.67 | 2.24 | 3.82 | 2.80 | 4.56 | 6.73 | 7.13 | 30.49 |
| Year Highest Occurred | 1970 | 1986 | 1983 | 1978 | 1990 | 1963 | 1982 | 1968 | 1986 | 1962 | 1973 | 1964 | 1982 |
| Lowest Precipitation (in.) | 0.22 | 0.16 | 0.67 | 0.27 | 0.22 | 0.32 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.14 | 11.32 |
| Year Lowest Occurred | 1985 | 1964 | 1965 | 1962 | 1974 | 1989 | 1969 | 1971 | 1987 | 1988 | 1976 | 1976 | 1966 |
| Heating Degree Days (F) | 1231. | 918. | 775. | 531. | 295. | 105. | 12. | 38. | 208. | 518. | 855. | 1178. | 6664. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 66. | 186. | 166. | 43. | 0. | 0. | 0. | 461. |