| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.9 | 49.6 | 54.1 | 59.0 | 65.3 | 72.2 | 78.4 | 79.3 | 73.7 | 63.3 | 51.3 | 44.7 | 61.3 |
| Highest Mean Max. Temperature (F) | 49.7 | 55.8 | 59.7 | 64.1 | 70.2 | 78.2 | 84.6 | 89.2 | 81.8 | 68.1 | 54.8 | 48.5 | 64.0 |
| Year Highest Occurred | 1961 | 1963 | 1965 | 1989 | 1969 | 1970 | 1985 | 1967 | 1974 | 1974 | 1976 | 1979 | 1967 |
| Lowest Mean Max. Temperature (F) | 37.4 | 41.0 | 49.1 | 54.7 | 59.3 | 66.2 | 71.5 | 73.5 | 67.1 | 57.5 | 43.7 | 38.7 | 59.6 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1972 | 1962 | 1980 | 1983 | 1989 | 1986 | 1984 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 38.3 | 41.7 | 44.8 | 48.4 | 53.6 | 59.9 | 64.3 | 64.9 | 60.6 | 52.2 | 43.9 | 38.6 | 50.9 |
| Highest Mean Temperature (F) | 42.3 | 47.4 | 49.5 | 52.6 | 57.7 | 63.7 | 68.3 | 71.4 | 66.5 | 56.2 | 47.4 | 42.5 | 52.9 |
| Year Highest Occurred | 1975 | 1963 | 1968 | 1989 | 1969 | 1961 | 1967 | 1967 | 1967 | 1979 | 1965 | 1966 | 1967 |
| Lowest Mean Temperature (F) | 30.9 | 33.2 | 40.9 | 44.2 | 50.3 | 55.9 | 60.1 | 61.1 | 55.9 | 49.0 | 36.5 | 31.6 | 48.8 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1972 | 1977 | 1971 | 1986 | 1973 | 1986 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 31.6 | 33.7 | 35.6 | 37.7 | 42.0 | 47.5 | 50.1 | 50.5 | 47.4 | 41.1 | 36.4 | 32.4 | 40.5 |
| Highest Mean Min. Temperature (F) | 36.5 | 39.0 | 40.8 | 41.1 | 45.2 | 51.1 | 53.5 | 53.6 | 52.1 | 46.0 | 40.6 | 36.7 | 41.8 |
| Year Highest Occurred | 1978 | 1963 | 1968 | 1989 | 1969 | 1969 | 1967 | 1977 | 1967 | 1988 | 1965 | 1977 | 1967 |
| Lowest Mean Min. Temperature (F) | 24.3 | 25.3 | 32.4 | 33.7 | 39.5 | 44.3 | 47.2 | 43.7 | 43.9 | 37.8 | 29.3 | 24.5 | 38.0 |
| Year Lowest Occurred | 1979 | 1989 | 1985 | 1972 | 1964 | 1976 | 1973 | 1973 | 1970 | 1971 | 1985 | 1990 | 1985 |
| Mean Precipitation (in.) | 11.73 | 8.71 | 8.00 | 3.95 | 2.50 | 1.38 | 0.43 | 0.78 | 1.76 | 4.26 | 10.46 | 12.46 | 66.42 |
| Highest Precipitation (in.) | 25.73 | 19.69 | 17.02 | 9.57 | 5.31 | 4.19 | 1.63 | 5.26 | 4.71 | 9.86 | 27.98 | 25.25 | 88.89 |
| Year Highest Occurred | 1970 | 1961 | 1983 | 1982 | 1963 | 1985 | 1974 | 1968 | 1986 | 1979 | 1973 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.42 | 2.36 | 0.88 | 0.98 | 0.40 | 0.19 | 0.00 | 0.00 | 0.00 | 0.23 | 1.86 | 2.41 | 39.79 |
| Year Lowest Occurred | 1985 | 1965 | 1965 | 1977 | 1982 | 1987 | 1973 | 1987 | 1975 | 1974 | 1976 | 1976 | 1985 |
| Heating Degree Days (F) | 828. | 652. | 626. | 498. | 353. | 167. | 79. | 76. | 160. | 397. | 633. | 818. | 5287. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 14. | 57. | 73. | 28. | 0. | 0. | 0. | 172. |