| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.8 | 49.1 | 56.3 | 65.4 | 73.6 | 82.0 | 91.9 | 91.5 | 80.7 | 67.0 | 50.1 | 41.4 | 65.8 |
| Highest Mean Max. Temperature (F) | 49.0 | 56.5 | 62.9 | 77.5 | 82.9 | 91.3 | 100.9 | 99.1 | 91.6 | 75.5 | 55.4 | 47.0 | 68.8 |
| Year Highest Occurred | 1990 | 1963 | 1986 | 1987 | 1966 | 1986 | 1985 | 1971 | 1967 | 1988 | 1990 | 1989 | 1987 |
| Lowest Mean Max. Temperature (F) | 28.6 | 41.4 | 50.6 | 55.4 | 67.3 | 76.3 | 86.2 | 84.8 | 72.1 | 60.2 | 40.6 | 33.3 | 62.7 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1962 | 1971 | 1983 | 1976 | 1985 | 1969 | 1985 | 1983 | 1975 |
| Mean Temperature (F) | 34.2 | 40.2 | 45.6 | 52.5 | 59.9 | 67.7 | 75.4 | 75.1 | 65.3 | 54.2 | 42.5 | 35.2 | 54.0 |
| Highest Mean Temperature (F) | 41.8 | 45.8 | 51.5 | 59.6 | 65.8 | 74.4 | 82.5 | 81.7 | 74.1 | 61.3 | 47.2 | 40.7 | 56.3 |
| Year Highest Occurred | 1990 | 1963 | 1986 | 1987 | 1966 | 1986 | 1985 | 1961 | 1967 | 1988 | 1965 | 1980 | 1990 |
| Lowest Mean Temperature (F) | 21.5 | 31.7 | 38.5 | 44.6 | 55.6 | 63.0 | 71.6 | 69.7 | 58.5 | 48.9 | 34.5 | 27.0 | 50.6 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1975 | 1975 | 1971 | 1986 | 1978 | 1984 | 1969 | 1985 | 1978 | 1975 |
| Mean Min. Temperature (F) | 27.7 | 31.3 | 34.8 | 39.6 | 46.3 | 53.2 | 58.9 | 58.7 | 49.8 | 41.5 | 34.9 | 28.8 | 42.1 |
| Highest Mean Min. Temperature (F) | 34.5 | 35.9 | 40.1 | 45.3 | 49.9 | 57.4 | 64.0 | 64.5 | 56.9 | 47.4 | 39.9 | 35.2 | 44.5 |
| Year Highest Occurred | 1990 | 1983 | 1986 | 1990 | 1987 | 1986 | 1985 | 1961 | 1963 | 1963 | 1965 | 1973 | 1961 |
| Lowest Mean Min. Temperature (F) | 14.3 | 22.0 | 26.4 | 33.7 | 42.0 | 49.0 | 55.1 | 53.4 | 37.4 | 37.6 | 27.9 | 20.4 | 38.4 |
| Year Lowest Occurred | 1979 | 1989 | 1976 | 1976 | 1975 | 1975 | 1986 | 1987 | 1984 | 1975 | 1975 | 1978 | 1975 |
| Mean Precipitation (in.) | 1.50 | 1.11 | 1.86 | 1.70 | 2.07 | 1.90 | 0.90 | 0.91 | 1.13 | 1.34 | 1.58 | 1.45 | 17.45 |
| Highest Precipitation (in.) | 4.63 | 2.96 | 4.30 | 4.15 | 4.51 | 4.13 | 3.28 | 2.38 | 3.41 | 4.50 | 4.24 | 4.06 | 27.28 |
| Year Highest Occurred | 1965 | 1980 | 1983 | 1978 | 1989 | 1964 | 1978 | 1978 | 1985 | 1962 | 1973 | 1982 | 1980 |
| Lowest Precipitation (in.) | 0.41 | 0.23 | 0.48 | 0.49 | 0.25 | 0.67 | 0.02 | 0.00 | 0.00 | 0.00 | 0.45 | 0.05 | 10.93 |
| Year Lowest Occurred | 1979 | 1977 | 1969 | 1973 | 1966 | 1974 | 1984 | 1970 | 1990 | 1987 | 1987 | 1989 | 1987 |
| Heating Degree Days (F) | 955. | 694. | 601. | 386. | 181. | 58. | 0. | 15. | 122. | 341. | 675. | 924. | 4952. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 11. | 23. | 139. | 326. | 328. | 131. | 6. | 0. | 0. | 964. |