| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.6 | 46.1 | 50.8 | 58.9 | 68.4 | 78.0 | 87.5 | 86.0 | 76.7 | 65.5 | 49.8 | 41.8 | 62.6 |
| Highest Mean Max. Temperature (F) | 50.4 | 53.4 | 58.8 | 71.1 | 75.5 | 86.6 | 92.6 | 92.6 | 84.0 | 77.1 | 58.2 | 49.4 | 65.4 |
| Year Highest Occurred | 1986 | 1977 | 1986 | 1987 | 1966 | 1961 | 1985 | 1971 | 1990 | 1988 | 1976 | 1976 | 1987 |
| Lowest Mean Max. Temperature (F) | 34.2 | 36.8 | 45.8 | 47.5 | 60.4 | 70.4 | 80.7 | 76.1 | 68.2 | 56.4 | 41.4 | 34.6 | 59.3 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1967 | 1977 | 1980 | 1987 | 1976 | 1986 | 1984 | 1985 | 1972 | 1982 |
| Mean Temperature (F) | 30.1 | 34.6 | 38.1 | 43.7 | 51.6 | 60.2 | 67.2 | 65.8 | 56.7 | 47.4 | 37.2 | 30.4 | 46.9 |
| Highest Mean Temperature (F) | 38.6 | 42.2 | 44.3 | 51.1 | 56.7 | 66.6 | 71.7 | 71.1 | 62.5 | 54.5 | 40.6 | 36.3 | 49.2 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1987 | 1961 | 1985 | 1971 | 1963 | 1988 | 1986 | 1962 | 1986 |
| Lowest Mean Temperature (F) | 22.7 | 24.5 | 33.8 | 36.6 | 47.7 | 55.7 | 62.8 | 60.8 | 50.6 | 42.3 | 28.1 | 22.1 | 44.6 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1967 | 1977 | 1980 | 1983 | 1976 | 1972 | 1969 | 1985 | 1990 | 1985 |
| Mean Min. Temperature (F) | 18.6 | 23.0 | 25.3 | 28.6 | 34.7 | 42.4 | 46.8 | 45.5 | 36.6 | 29.3 | 24.6 | 18.8 | 31.2 |
| Highest Mean Min. Temperature (F) | 26.8 | 31.8 | 32.8 | 33.0 | 39.3 | 47.9 | 51.5 | 49.7 | 44.2 | 36.4 | 30.0 | 27.9 | 33.5 |
| Year Highest Occurred | 1986 | 1963 | 1983 | 1965 | 1987 | 1986 | 1975 | 1983 | 1963 | 1979 | 1966 | 1973 | 1983 |
| Lowest Mean Min. Temperature (F) | 9.3 | 12.1 | 20.0 | 23.5 | 30.5 | 37.5 | 43.0 | 42.1 | 30.7 | 24.2 | 14.7 | 6.7 | 28.1 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1970 | 1964 | 1976 | 1966 | 1980 | 1972 | 1978 | 1985 | 1990 | 1985 |
| Mean Precipitation (in.) | 0.65 | 0.52 | 0.73 | 0.77 | 1.10 | 1.14 | 0.55 | 0.74 | 0.60 | 0.69 | 0.81 | 0.74 | 9.04 |
| Highest Precipitation (in.) | 2.01 | 1.57 | 2.73 | 2.87 | 3.71 | 4.85 | 3.00 | 2.74 | 2.09 | 3.97 | 2.38 | 2.77 | 13.76 |
| Year Highest Occurred | 1969 | 1986 | 1983 | 1988 | 1977 | 1965 | 1975 | 1983 | 1985 | 1962 | 1966 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.14 | 0.00 | 0.03 | 0.06 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.06 | 4.43 |
| Year Lowest Occurred | 1984 | 1964 | 1976 | 1977 | 1976 | 1973 | 1979 | 1986 | 1987 | 1988 | 1976 | 1976 | 1974 |
| Heating Degree Days (F) | 1082. | 851. | 834. | 639. | 415. | 178. | 47. | 75. | 269. | 546. | 834. | 1073. | 6843. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 34. | 115. | 100. | 20. | 0. | 0. | 0. | 269. |