| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 55.3 | 63.2 | 68.5 | 75.9 | 84.7 | 92.5 | 97.7 | 96.3 | 90.7 | 81.5 | 67.1 | 55.8 | 77.4 |
| Highest Mean Max. Temperature (F) | 62.6 | 68.1 | 76.9 | 83.1 | 90.6 | 97.5 | 103.2 | 104.2 | 96.6 | 88.3 | 72.2 | 63.0 | 79.3 |
| Year Highest Occurred | 1970 | 1963 | 1972 | 1966 | 1973 | 1961 | 1967 | 1967 | 1984 | 1978 | 1980 | 1979 | 1984 |
| Lowest Mean Max. Temperature (F) | 49.2 | 56.8 | 62.8 | 63.2 | 76.1 | 86.8 | 91.0 | 88.8 | 84.0 | 77.4 | 61.1 | 47.1 | 75.3 |
| Year Lowest Occurred | 1972 | 1962 | 1973 | 1967 | 1977 | 1965 | 1987 | 1976 | 1985 | 1969 | 1972 | 1963 | 1963 |
| Mean Temperature (F) | 44.6 | 50.9 | 55.5 | 61.2 | 69.0 | 76.2 | 81.2 | 79.8 | 74.1 | 64.9 | 53.1 | 44.5 | 62.9 |
| Highest Mean Temperature (F) | 50.4 | 55.6 | 61.6 | 67.1 | 73.4 | 81.3 | 86.1 | 86.4 | 79.8 | 69.8 | 57.8 | 51.5 | 64.5 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1966 | 1973 | 1961 | 1967 | 1967 | 1984 | 1978 | 1967 | 1977 | 1984 |
| Lowest Mean Temperature (F) | 40.0 | 46.6 | 51.6 | 52.0 | 62.7 | 72.2 | 75.7 | 74.3 | 69.0 | 60.2 | 49.9 | 40.2 | 61.2 |
| Year Lowest Occurred | 1962 | 1971 | 1977 | 1967 | 1977 | 1980 | 1987 | 1976 | 1986 | 1969 | 1985 | 1990 | 1971 |
| Mean Min. Temperature (F) | 33.9 | 38.4 | 42.3 | 46.5 | 53.3 | 59.9 | 64.7 | 63.3 | 57.6 | 48.2 | 39.1 | 33.1 | 48.4 |
| Highest Mean Min. Temperature (F) | 41.4 | 43.7 | 48.2 | 52.5 | 56.8 | 65.0 | 68.9 | 68.6 | 62.9 | 53.8 | 45.2 | 40.7 | 49.8 |
| Year Highest Occurred | 1980 | 1968 | 1986 | 1990 | 1966 | 1961 | 1990 | 1967 | 1984 | 1987 | 1965 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | 24.9 | 33.1 | 36.6 | 40.7 | 49.2 | 56.0 | 60.2 | 59.8 | 52.9 | 42.9 | 34.8 | 25.5 | 45.5 |
| Year Lowest Occurred | 1963 | 1974 | 1977 | 1967 | 1977 | 1980 | 1983 | 1976 | 1970 | 1971 | 1975 | 1990 | 1971 |
| Mean Precipitation (in.) | 0.95 | 1.09 | 0.93 | 0.53 | 0.15 | 0.06 | 0.03 | 0.04 | 0.22 | 0.27 | 0.64 | 0.59 | 5.50 |
| Highest Precipitation (in.) | 2.53 | 5.91 | 2.97 | 1.87 | 1.47 | 0.51 | 0.69 | 0.76 | 1.76 | 1.14 | 2.35 | 2.30 | 12.49 |
| Year Highest Occurred | 1969 | 1962 | 1981 | 1988 | 1971 | 1963 | 1965 | 1983 | 1976 | 1968 | 1987 | 1977 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.25 |
| Year Lowest Occurred | 1975 | 1972 | 1972 | 1979 | 1988 | 1990 | 1990 | 1989 | 1988 | 1990 | 1989 | 1962 | 1990 |
| Heating Degree Days (F) | 632. | 395. | 299. | 174. | 29. | 0. | 0. | 0. | 6. | 84. | 357. | 636. | 2612. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 60. | 153. | 336. | 502. | 459. | 279. | 81. | 0. | 0. | 1870. |