| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.2 | 45.6 | 54.5 | 63.4 | 72.2 | 80.5 | 89.7 | 89.9 | 78.5 | 63.1 | 46.6 | 38.1 | 63.3 |
| Highest Mean Max. Temperature (F) | 44.0 | 51.8 | 60.8 | 71.5 | 78.7 | 90.7 | 97.6 | 98.5 | 88.3 | 70.8 | 50.6 | 43.0 | 65.8 |
| Year Highest Occurred | 1967 | 1970 | 1986 | 1987 | 1966 | 1961 | 1985 | 1961 | 1990 | 1987 | 1981 | 1966 | 1987 |
| Lowest Mean Max. Temperature (F) | 27.7 | 35.4 | 49.6 | 56.1 | 64.9 | 72.5 | 82.6 | 83.4 | 70.0 | 58.6 | 34.4 | 29.9 | 60.4 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1978 | 1981 | 1983 | 1975 | 1970 | 1984 | 1985 | 1983 | 1975 |
| Mean Temperature (F) | 30.5 | 36.7 | 43.0 | 50.3 | 58.1 | 65.5 | 71.7 | 71.4 | 62.0 | 49.8 | 38.9 | 31.8 | 50.8 |
| Highest Mean Temperature (F) | 37.5 | 41.3 | 48.4 | 56.6 | 62.4 | 71.2 | 76.2 | 76.4 | 69.0 | 55.4 | 42.5 | 37.4 | 52.6 |
| Year Highest Occurred | 1967 | 1968 | 1986 | 1987 | 1987 | 1961 | 1985 | 1961 | 1963 | 1988 | 1965 | 1966 | 1967 |
| Lowest Mean Temperature (F) | 18.9 | 26.2 | 39.0 | 45.0 | 54.3 | 60.8 | 66.6 | 65.8 | 56.2 | 46.3 | 27.4 | 23.3 | 48.0 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1970 | 1978 | 1981 | 1986 | 1980 | 1970 | 1984 | 1985 | 1983 | 1985 |
| Mean Min. Temperature (F) | 23.7 | 27.6 | 31.4 | 37.2 | 44.0 | 50.3 | 53.6 | 52.9 | 45.4 | 36.5 | 31.2 | 25.5 | 38.3 |
| Highest Mean Min. Temperature (F) | 30.9 | 32.8 | 36.2 | 41.7 | 47.1 | 53.3 | 59.3 | 56.5 | 50.2 | 40.5 | 35.5 | 32.0 | 39.5 |
| Year Highest Occurred | 1990 | 1978 | 1983 | 1987 | 1987 | 1970 | 1975 | 1983 | 1963 | 1963 | 1990 | 1973 | 1967 |
| Lowest Mean Min. Temperature (F) | 10.1 | 16.9 | 25.0 | 33.5 | 40.6 | 47.5 | 48.9 | 47.7 | 41.2 | 32.6 | 20.3 | 15.2 | 35.0 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1974 | 1976 | 1981 | 1980 | 1971 | 1987 | 1985 | 1985 | 1985 |
| Mean Precipitation (in.) | 3.00 | 2.32 | 2.52 | 2.23 | 2.37 | 1.87 | 0.98 | 1.04 | 1.44 | 1.87 | 2.81 | 3.27 | 25.72 |
| Highest Precipitation (in.) | 5.64 | 5.08 | 4.32 | 4.44 | 5.59 | 4.50 | 3.06 | 2.75 | 3.82 | 4.41 | 5.85 | 7.36 | 33.83 |
| Year Highest Occurred | 1970 | 1986 | 1989 | 1965 | 1990 | 1981 | 1983 | 1977 | 1985 | 1975 | 1973 | 1964 | 1975 |
| Lowest Precipitation (in.) | 0.62 | 0.71 | 0.99 | 0.31 | 0.71 | 0.49 | 0.02 | 0.00 | 0.04 | 0.01 | 0.59 | 0.69 | 19.23 |
| Year Lowest Occurred | 1985 | 1964 | 1965 | 1977 | 1966 | 1977 | 1967 | 1969 | 1990 | 1987 | 1969 | 1965 | 1987 |
| Heating Degree Days (F) | 1070. | 792. | 682. | 441. | 222. | 77. | 11. | 19. | 155. | 471. | 783. | 1029. | 5752. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 92. | 219. | 217. | 65. | 0. | 0. | 0. | 601. |