| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 52.6 | 57.0 | 64.7 | 73.6 | 81.6 | 89.3 | 91.5 | 89.2 | 82.3 | 73.7 | 62.3 | 53.2 | 72.6 |
| Highest Mean Max. Temperature (F) | 60.9 | 65.2 | 73.1 | 78.8 | 88.8 | 96.1 | 97.3 | 94.4 | 88.7 | 79.5 | 68.4 | 61.7 | 74.6 |
| Year Highest Occurred | 1986 | 1976 | 1974 | 1978 | 1974 | 1990 | 1980 | 1962 | 1977 | 1979 | 1973 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 43.0 | 47.2 | 56.4 | 65.6 | 77.3 | 83.8 | 86.4 | 84.3 | 75.9 | 66.7 | 51.2 | 44.5 | 70.6 |
| Year Lowest Occurred | 1979 | 1964 | 1969 | 1973 | 1987 | 1986 | 1968 | 1971 | 1974 | 1969 | 1972 | 1983 | 1987 |
| Mean Temperature (F) | 36.6 | 40.9 | 47.9 | 56.9 | 65.4 | 73.7 | 77.3 | 75.2 | 68.0 | 57.4 | 46.4 | 37.7 | 57.0 |
| Highest Mean Temperature (F) | 43.1 | 47.7 | 53.4 | 62.1 | 70.2 | 79.3 | 81.7 | 78.3 | 72.8 | 60.3 | 51.1 | 44.2 | 58.9 |
| Year Highest Occurred | 1969 | 1976 | 1967 | 1967 | 1974 | 1990 | 1966 | 1969 | 1983 | 1963 | 1965 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 30.1 | 32.8 | 40.9 | 50.0 | 62.7 | 70.4 | 74.3 | 72.2 | 63.4 | 52.1 | 38.3 | 31.7 | 55.7 |
| Year Lowest Occurred | 1966 | 1964 | 1969 | 1973 | 1983 | 1979 | 1976 | 1967 | 1974 | 1976 | 1972 | 1983 | 1973 |
| Mean Min. Temperature (F) | 20.5 | 24.7 | 31.1 | 40.3 | 49.2 | 58.1 | 63.1 | 61.2 | 53.7 | 41.1 | 30.5 | 22.1 | 41.3 |
| Highest Mean Min. Temperature (F) | 26.1 | 30.1 | 37.0 | 46.7 | 52.5 | 62.5 | 67.0 | 65.1 | 57.8 | 46.4 | 36.7 | 28.4 | 43.5 |
| Year Highest Occurred | 1969 | 1976 | 1985 | 1967 | 1989 | 1990 | 1969 | 1969 | 1990 | 1983 | 1978 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | 11.5 | 18.4 | 25.3 | 34.3 | 44.4 | 54.7 | 61.1 | 58.5 | 49.0 | 35.3 | 24.9 | 16.7 | 39.4 |
| Year Lowest Occurred | 1963 | 1964 | 1969 | 1973 | 1975 | 1973 | 1985 | 1962 | 1968 | 1976 | 1976 | 1976 | 1975 |
| Mean Precipitation (in.) | 0.40 | 0.44 | 0.43 | 0.55 | 1.19 | 1.70 | 2.30 | 3.01 | 1.95 | 1.34 | 0.66 | 0.44 | 14.41 |
| Highest Precipitation (in.) | 1.21 | 1.95 | 1.31 | 2.82 | 3.52 | 7.68 | 5.90 | 6.92 | 8.42 | 7.04 | 2.03 | 1.98 | 23.08 |
| Year Highest Occurred | 1987 | 1987 | 1985 | 1977 | 1987 | 1978 | 1973 | 1986 | 1970 | 1985 | 1986 | 1986 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.13 | 0.48 | 0.00 | 0.00 | 0.00 | 0.00 | 8.45 |
| Year Lowest Occurred | 1986 | 1972 | 1972 | 1974 | 1970 | 1968 | 1986 | 1973 | 1968 | 1975 | 1989 | 1976 | 1964 |
| Heating Degree Days (F) | 880. | 675. | 530. | 255. | 55. | 0. | 0. | 0. | 22. | 241. | 558. | 846. | 4062. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 12. | 67. | 261. | 381. | 316. | 112. | 5. | 0. | 0. | 1154. |