| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.2 | 47.7 | 52.5 | 60.8 | 69.2 | 78.1 | 81.0 | 78.3 | 73.1 | 65.1 | 53.6 | 46.4 | 62.6 |
| Highest Mean Max. Temperature (F) | 53.9 | 54.1 | 61.4 | 67.5 | 75.5 | 84.3 | 88.0 | 83.0 | 78.4 | 70.2 | 59.7 | 56.2 | 64.9 |
| Year Highest Occurred | 1986 | 1981 | 1989 | 1981 | 1974 | 1990 | 1980 | 1962 | 1983 | 1963 | 1963 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 38.4 | 38.0 | 45.0 | 52.4 | 65.2 | 73.0 | 77.4 | 73.3 | 70.5 | 55.8 | 43.9 | 39.8 | 60.6 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1973 | 1980 | 1986 | 1990 | 1967 | 1965 | 1984 | 1972 | 1967 | 1987 |
| Mean Temperature (F) | 28.9 | 31.9 | 36.3 | 44.0 | 52.4 | 60.6 | 64.9 | 62.9 | 57.1 | 47.4 | 37.3 | 30.2 | 46.2 |
| Highest Mean Temperature (F) | 35.7 | 38.9 | 44.4 | 47.7 | 58.1 | 64.1 | 68.4 | 68.5 | 62.7 | 51.9 | 42.3 | 37.0 | 47.7 |
| Year Highest Occurred | 1969 | 1976 | 1974 | 1989 | 1974 | 1990 | 1980 | 1983 | 1983 | 1963 | 1973 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 24.0 | 23.5 | 28.4 | 36.3 | 46.1 | 56.6 | 62.8 | 59.8 | 54.1 | 42.2 | 29.5 | 22.1 | 44.1 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1983 | 1983 | 1983 | 1990 | 1967 | 1987 | 1984 | 1972 | 1983 | 1982 |
| Mean Min. Temperature (F) | 12.7 | 16.0 | 20.1 | 27.2 | 35.6 | 43.1 | 48.7 | 47.4 | 41.0 | 29.7 | 21.0 | 13.9 | 29.7 |
| Highest Mean Min. Temperature (F) | 21.1 | 24.1 | 30.5 | 32.0 | 40.6 | 46.9 | 51.6 | 55.7 | 47.0 | 36.0 | 26.8 | 20.5 | 31.9 |
| Year Highest Occurred | 1969 | 1976 | 1974 | 1986 | 1974 | 1978 | 1966 | 1983 | 1983 | 1972 | 1978 | 1973 | 1974 |
| Lowest Mean Min. Temperature (F) | 4.3 | 0.4 | 11.7 | 16.3 | 26.4 | 38.1 | 43.9 | 44.4 | 37.5 | 24.5 | 12.4 | 1.5 | 26.8 |
| Year Lowest Occurred | 1984 | 1984 | 1969 | 1982 | 1983 | 1983 | 1987 | 1990 | 1987 | 1980 | 1976 | 1983 | 1982 |
| Mean Precipitation (in.) | 0.32 | 0.35 | 0.55 | 0.78 | 1.57 | 2.34 | 3.47 | 3.41 | 1.79 | 0.84 | 0.58 | 0.44 | 16.44 |
| Highest Precipitation (in.) | 1.12 | 1.54 | 1.95 | 2.92 | 4.51 | 8.09 | 8.45 | 8.49 | 4.53 | 3.14 | 3.59 | 1.56 | 21.83 |
| Year Highest Occurred | 1979 | 1987 | 1985 | 1990 | 1979 | 1988 | 1971 | 1981 | 1990 | 1984 | 1978 | 1987 | 1990 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.12 | 0.10 | 0.50 | 0.37 | 0.54 | 0.00 | 0.00 | 0.00 | 8.33 |
| Year Lowest Occurred | 1978 | 1988 | 1972 | 1972 | 1962 | 1980 | 1980 | 1962 | 1983 | 1980 | 1989 | 1981 | 1964 |
| Heating Degree Days (F) | 1119. | 927. | 890. | 630. | 391. | 145. | 52. | 98. | 239. | 546. | 831. | 1079. | 6947. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 13. | 49. | 33. | 0. | 0. | 0. | 0. | 95. |