| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 55.0 | 57.1 | 57.6 | 59.1 | 62.1 | 65.8 | 68.5 | 69.9 | 70.2 | 66.4 | 59.6 | 54.9 | 62.2 |
| Highest Mean Max. Temperature (F) | 60.8 | 63.3 | 63.1 | 65.6 | 66.3 | 69.6 | 71.9 | 72.7 | 74.7 | 70.9 | 64.0 | 59.7 | 64.1 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1989 | 1987 | 1986 | 1979 | 1990 | 1979 | 1965 | 1976 | 1980 | 1986 |
| Lowest Mean Max. Temperature (F) | 50.4 | 50.2 | 54.2 | 53.6 | 58.7 | 63.0 | 66.5 | 66.3 | 66.5 | 61.0 | 53.9 | 48.9 | 59.6 |
| Year Lowest Occurred | 1969 | 1969 | 1973 | 1967 | 1971 | 1965 | 1969 | 1973 | 1965 | 1971 | 1985 | 1971 | 1971 |
| Mean Temperature (F) | 47.1 | 49.0 | 49.6 | 51.1 | 54.4 | 58.0 | 60.3 | 61.3 | 60.3 | 56.8 | 51.6 | 47.3 | 53.9 |
| Highest Mean Temperature (F) | 53.1 | 56.2 | 54.6 | 55.2 | 57.6 | 61.2 | 62.5 | 63.4 | 64.8 | 60.0 | 55.1 | 51.2 | 55.6 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1989 | 1987 | 1986 | 1979 | 1990 | 1979 | 1965 | 1967 | 1981 | 1986 |
| Lowest Mean Temperature (F) | 43.6 | 43.9 | 46.6 | 46.2 | 52.2 | 55.7 | 58.4 | 58.4 | 57.6 | 52.0 | 45.8 | 41.1 | 51.9 |
| Year Lowest Occurred | 1982 | 1990 | 1964 | 1967 | 1977 | 1965 | 1962 | 1973 | 1965 | 1971 | 1985 | 1990 | 1971 |
| Mean Min. Temperature (F) | 39.1 | 40.7 | 41.6 | 43.0 | 46.6 | 50.2 | 52.0 | 52.6 | 50.4 | 47.1 | 43.5 | 39.6 | 45.5 |
| Highest Mean Min. Temperature (F) | 45.4 | 49.0 | 46.1 | 45.6 | 49.0 | 53.0 | 53.6 | 54.9 | 54.9 | 50.8 | 47.3 | 45.2 | 47.4 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1965 | 1963 | 1969 | 1983 | 1983 | 1979 | 1979 | 1970 | 1973 | 1983 |
| Lowest Mean Min. Temperature (F) | 35.1 | 34.5 | 38.3 | 38.7 | 44.5 | 47.3 | 48.8 | 50.0 | 46.1 | 43.0 | 37.7 | 31.7 | 44.1 |
| Year Lowest Occurred | 1962 | 1989 | 1976 | 1967 | 1977 | 1976 | 1962 | 1980 | 1988 | 1971 | 1985 | 1990 | 1971 |
| Mean Precipitation (in.) | 8.26 | 6.71 | 7.12 | 3.47 | 1.33 | 0.43 | 0.07 | 0.44 | 0.90 | 3.13 | 7.72 | 8.54 | 48.12 |
| Highest Precipitation (in.) | 17.32 | 16.10 | 15.12 | 12.38 | 4.50 | 3.57 | 0.41 | 3.15 | 3.85 | 9.14 | 21.53 | 18.37 | 88.35 |
| Year Highest Occurred | 1970 | 1986 | 1983 | 1963 | 1990 | 1988 | 1983 | 1983 | 1986 | 1962 | 1973 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.55 | 0.16 | 1.20 | 0.32 | 0.05 | 0.04 | 0.00 | 0.00 | 0.00 | 0.06 | 1.76 | 0.11 | 24.33 |
| Year Lowest Occurred | 1985 | 1988 | 1965 | 1968 | 1982 | 1962 | 1984 | 1988 | 1987 | 1978 | 1989 | 1989 | 1985 |
| Heating Degree Days (F) | 555. | 448. | 477. | 417. | 329. | 210. | 146. | 121. | 149. | 254. | 402. | 549. | 4057. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 7. | 8. | 0. | 0. | 0. | 15. |