| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 50.8 | 53.9 | 55.8 | 58.7 | 62.9 | 67.0 | 70.3 | 70.9 | 70.8 | 64.2 | 55.4 | 50.5 | 60.9 |
| Highest Mean Max. Temperature (F) | 58.1 | 61.9 | 62.3 | 64.1 | 67.7 | 71.0 | 76.5 | 79.5 | 79.5 | 70.5 | 60.4 | 55.7 | 63.9 |
| Year Highest Occurred | 1961 | 1968 | 1965 | 1989 | 1967 | 1961 | 1967 | 1967 | 1967 | 1965 | 1967 | 1962 | 1967 |
| Lowest Mean Max. Temperature (F) | 43.5 | 47.4 | 51.7 | 54.7 | 60.0 | 62.4 | 65.2 | 65.5 | 64.8 | 59.5 | 47.9 | 44.3 | 57.8 |
| Year Lowest Occurred | 1979 | 1989 | 1982 | 1982 | 1962 | 1982 | 1971 | 1980 | 1986 | 1981 | 1985 | 1978 | 1982 |
| Mean Temperature (F) | 43.9 | 46.2 | 47.2 | 49.3 | 53.1 | 57.5 | 60.0 | 60.9 | 59.8 | 54.7 | 48.3 | 44.1 | 52.1 |
| Highest Mean Temperature (F) | 48.5 | 53.2 | 51.3 | 54.0 | 55.7 | 61.7 | 63.2 | 65.9 | 65.9 | 58.1 | 51.6 | 47.3 | 53.6 |
| Year Highest Occurred | 1961 | 1963 | 1986 | 1989 | 1987 | 1966 | 1967 | 1967 | 1967 | 1965 | 1976 | 1979 | 1967 |
| Lowest Mean Temperature (F) | 37.9 | 40.0 | 44.0 | 45.6 | 50.9 | 55.1 | 57.2 | 56.8 | 55.8 | 52.0 | 41.5 | 38.2 | 50.2 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1970 | 1962 | 1984 | 1971 | 1980 | 1986 | 1970 | 1985 | 1978 | 1985 |
| Mean Min. Temperature (F) | 37.0 | 38.4 | 38.6 | 39.8 | 43.2 | 47.9 | 49.7 | 50.8 | 48.8 | 45.2 | 41.3 | 37.6 | 43.2 |
| Highest Mean Min. Temperature (F) | 42.6 | 45.2 | 43.8 | 44.0 | 46.3 | 52.6 | 52.7 | 53.8 | 54.3 | 50.0 | 44.6 | 42.9 | 45.2 |
| Year Highest Occurred | 1978 | 1963 | 1983 | 1978 | 1987 | 1966 | 1979 | 1990 | 1979 | 1979 | 1983 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 29.4 | 32.5 | 33.9 | 35.5 | 39.5 | 43.6 | 45.9 | 45.0 | 43.0 | 40.6 | 35.1 | 32.0 | 40.7 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1970 | 1970 | 1962 | 1970 | 1969 | 1970 | 1970 | 1985 | 1990 | 1970 |
| Mean Precipitation (in.) | 11.70 | 9.37 | 9.37 | 5.35 | 3.78 | 2.37 | 0.86 | 1.34 | 2.48 | 5.92 | 11.50 | 12.41 | 76.45 |
| Highest Precipitation (in.) | 22.15 | 17.69 | 18.41 | 12.16 | 8.26 | 5.18 | 3.80 | 7.21 | 5.69 | 12.01 | 19.73 | 21.26 | 101.38 |
| Year Highest Occurred | 1969 | 1986 | 1974 | 1963 | 1988 | 1984 | 1983 | 1968 | 1977 | 1979 | 1973 | 1968 | 1970 |
| Lowest Precipitation (in.) | 0.86 | 2.59 | 2.03 | 1.34 | 0.66 | 0.39 | 0.00 | 0.00 | 0.00 | 0.49 | 2.55 | 2.54 | 45.63 |
| Year Lowest Occurred | 1985 | 1988 | 1965 | 1977 | 1982 | 1976 | 1967 | 1967 | 1975 | 1987 | 1976 | 1976 | 1976 |
| Heating Degree Days (F) | 654. | 526. | 552. | 471. | 369. | 225. | 159. | 148. | 172. | 319. | 501. | 648. | 4744. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 21. | 16. | 0. | 0. | 0. | 37. |