| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 57.5 | 62.4 | 68.9 | 77.5 | 85.4 | 94.6 | 94.1 | 91.3 | 86.7 | 77.6 | 66.0 | 57.9 | 76.7 |
| Highest Mean Max. Temperature (F) | 67.2 | 67.4 | 76.0 | 84.8 | 89.6 | 99.9 | 99.5 | 96.9 | 90.9 | 83.8 | 70.3 | 68.2 | 78.8 |
| Year Highest Occurred | 1971 | 1981 | 1972 | 1989 | 1989 | 1990 | 1978 | 1962 | 1983 | 1979 | 1965 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 51.0 | 53.9 | 63.0 | 69.6 | 81.1 | 89.9 | 89.4 | 86.9 | 82.0 | 69.9 | 59.5 | 50.9 | 74.8 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1983 | 1979 | 1984 | 1968 | 1984 | 1976 | 1984 | 1961 | 1967 | 1984 |
| Mean Temperature (F) | 41.4 | 45.2 | 50.8 | 58.2 | 66.1 | 75.7 | 78.8 | 76.4 | 70.9 | 60.6 | 49.3 | 42.1 | 59.6 |
| Highest Mean Temperature (F) | 46.9 | 50.3 | 57.0 | 65.1 | 70.6 | 83.1 | 82.5 | 79.6 | 75.5 | 64.4 | 52.3 | 48.5 | 61.9 |
| Year Highest Occurred | 1971 | 1962 | 1989 | 1989 | 1984 | 1990 | 1980 | 1969 | 1983 | 1987 | 1977 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 36.2 | 35.9 | 45.2 | 52.2 | 62.3 | 72.3 | 75.6 | 72.7 | 68.8 | 55.2 | 44.9 | 38.1 | 57.9 |
| Year Lowest Occurred | 1964 | 1966 | 1969 | 1973 | 1975 | 1965 | 1968 | 1968 | 1976 | 1970 | 1972 | 1967 | 1976 |
| Mean Min. Temperature (F) | 25.2 | 27.9 | 32.7 | 38.9 | 46.8 | 56.8 | 63.4 | 61.4 | 55.0 | 43.6 | 32.6 | 26.2 | 42.5 |
| Highest Mean Min. Temperature (F) | 31.2 | 34.8 | 39.5 | 45.6 | 52.8 | 66.3 | 66.3 | 64.0 | 60.1 | 47.7 | 40.2 | 32.4 | 45.4 |
| Year Highest Occurred | 1980 | 1962 | 1978 | 1990 | 1984 | 1990 | 1980 | 1969 | 1983 | 1987 | 1978 | 1984 | 1990 |
| Lowest Mean Min. Temperature (F) | 17.9 | 17.9 | 25.1 | 33.5 | 41.9 | 50.9 | 59.6 | 58.5 | 49.1 | 38.3 | 29.0 | 20.9 | 40.4 |
| Year Lowest Occurred | 1964 | 1966 | 1969 | 1973 | 1975 | 1965 | 1987 | 1974 | 1977 | 1970 | 1976 | 1968 | 1975 |
| Mean Precipitation (in.) | 0.64 | 0.45 | 0.45 | 0.23 | 0.15 | 0.46 | 2.40 | 2.21 | 1.48 | 0.97 | 0.62 | 0.97 | 11.03 |
| Highest Precipitation (in.) | 1.75 | 1.47 | 1.58 | 2.33 | 0.93 | 1.82 | 5.03 | 6.96 | 4.30 | 3.02 | 2.30 | 4.76 | 17.46 |
| Year Highest Occurred | 1979 | 1973 | 1968 | 1964 | 1973 | 1981 | 1981 | 1984 | 1964 | 1972 | 1986 | 1982 | 1984 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 0.35 | 0.00 | 0.00 | 0.00 | 0.00 | 6.00 |
| Year Lowest Occurred | 1986 | 1984 | 1988 | 1989 | 1989 | 1990 | 1961 | 1962 | 1968 | 1979 | 1989 | 1985 | 1971 |
| Heating Degree Days (F) | 732. | 554. | 440. | 224. | 52. | 0. | 0. | 0. | 0. | 158. | 471. | 710. | 3341. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 20. | 86. | 321. | 428. | 353. | 181. | 21. | 0. | 0. | 1410. |