| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 60.1 | 61.5 | 61.6 | 63.4 | 64.1 | 66.8 | 68.1 | 69.4 | 71.9 | 70.1 | 64.7 | 59.9 | 65.1 |
| Highest Mean Max. Temperature (F) | 66.7 | 66.2 | 65.6 | 68.3 | 69.8 | 72.2 | 72.2 | 72.9 | 79.2 | 74.9 | 69.9 | 66.7 | 67.5 |
| Year Highest Occurred | 1961 | 1963 | 1988 | 1989 | 1978 | 1976 | 1961 | 1983 | 1984 | 1967 | 1969 | 1980 | 1961 |
| Lowest Mean Max. Temperature (F) | 55.5 | 56.4 | 57.5 | 57.0 | 59.1 | 61.1 | 64.2 | 65.8 | 67.3 | 67.1 | 60.2 | 54.6 | 62.8 |
| Year Lowest Occurred | 1974 | 1969 | 1985 | 1967 | 1964 | 1967 | 1965 | 1970 | 1962 | 1975 | 1985 | 1971 | 1964 |
| Mean Temperature (F) | 51.7 | 53.1 | 53.3 | 54.5 | 55.9 | 58.5 | 60.0 | 61.2 | 62.5 | 60.7 | 56.0 | 51.7 | 56.6 |
| Highest Mean Temperature (F) | 56.0 | 57.6 | 57.6 | 58.7 | 59.1 | 61.7 | 62.7 | 64.4 | 67.7 | 64.1 | 59.8 | 56.2 | 58.2 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1989 | 1978 | 1961 | 1984 | 1983 | 1984 | 1983 | 1976 | 1980 | 1983 |
| Lowest Mean Temperature (F) | 48.7 | 48.8 | 50.1 | 49.9 | 52.6 | 55.6 | 57.3 | 58.2 | 58.7 | 57.1 | 52.2 | 47.4 | 55.1 |
| Year Lowest Occurred | 1972 | 1989 | 1985 | 1967 | 1964 | 1967 | 1962 | 1970 | 1962 | 1971 | 1985 | 1971 | 1975 |
| Mean Min. Temperature (F) | 43.3 | 44.7 | 45.0 | 45.6 | 47.7 | 50.2 | 51.8 | 52.9 | 53.1 | 51.2 | 47.3 | 43.5 | 48.0 |
| Highest Mean Min. Temperature (F) | 47.8 | 48.9 | 50.1 | 49.0 | 50.3 | 52.5 | 54.3 | 55.8 | 57.8 | 55.2 | 49.8 | 47.8 | 50.4 |
| Year Highest Occurred | 1986 | 1968 | 1978 | 1989 | 1987 | 1969 | 1984 | 1983 | 1983 | 1983 | 1967 | 1983 | 1983 |
| Lowest Mean Min. Temperature (F) | 39.6 | 40.3 | 42.1 | 42.5 | 46.1 | 48.3 | 49.7 | 49.0 | 50.0 | 46.9 | 44.1 | 38.8 | 46.5 |
| Year Lowest Occurred | 1972 | 1989 | 1977 | 1975 | 1964 | 1963 | 1962 | 1969 | 1962 | 1971 | 1985 | 1990 | 1971 |
| Mean Precipitation (in.) | 3.49 | 2.69 | 3.23 | 1.68 | 0.35 | 0.19 | 0.09 | 0.12 | 0.28 | 0.94 | 2.82 | 2.84 | 18.72 |
| Highest Precipitation (in.) | 9.45 | 7.31 | 9.61 | 7.11 | 1.83 | 1.56 | 0.73 | 0.97 | 1.45 | 2.46 | 6.49 | 6.45 | 37.70 |
| Year Highest Occurred | 1969 | 1969 | 1983 | 1967 | 1990 | 1967 | 1980 | 1976 | 1982 | 1972 | 1965 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.11 | 0.42 | 0.03 | 0.04 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.12 | 0.16 | 10.85 |
| Year Lowest Occurred | 1984 | 1964 | 1972 | 1977 | 1975 | 1987 | 1989 | 1985 | 1987 | 1978 | 1980 | 1989 | 1961 |
| Heating Degree Days (F) | 412. | 333. | 363. | 315. | 282. | 197. | 160. | 128. | 108. | 145. | 270. | 412. | 3125. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 10. | 33. | 12. | 0. | 0. | 55. |