| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 49.9 | 56.7 | 61.8 | 70.1 | 79.3 | 88.7 | 96.6 | 95.9 | 89.5 | 75.9 | 56.4 | 48.6 | 72.5 |
| Highest Mean Max. Temperature (F) | 55.2 | 64.2 | 69.7 | 79.6 | 85.4 | 96.1 | 102.9 | 102.0 | 99.3 | 84.6 | 64.0 | 54.4 | 75.3 |
| Year Highest Occurred | 1961 | 1988 | 1986 | 1990 | 1966 | 1961 | 1961 | 1986 | 1974 | 1988 | 1976 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 44.5 | 48.6 | 54.4 | 57.2 | 67.5 | 80.3 | 88.4 | 86.0 | 79.7 | 68.6 | 49.3 | 41.5 | 69.0 |
| Year Lowest Occurred | 1969 | 1975 | 1975 | 1967 | 1977 | 1980 | 1983 | 1976 | 1986 | 1975 | 1973 | 1971 | 1971 |
| Mean Temperature (F) | 41.3 | 45.7 | 48.9 | 54.4 | 61.4 | 69.3 | 74.8 | 74.3 | 68.7 | 58.9 | 47.0 | 41.0 | 57.1 |
| Highest Mean Temperature (F) | 47.3 | 52.4 | 54.9 | 61.6 | 65.7 | 74.1 | 78.9 | 79.1 | 73.5 | 64.3 | 52.3 | 46.3 | 59.7 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1987 | 1961 | 1988 | 1986 | 1974 | 1988 | 1967 | 1981 | 1986 |
| Lowest Mean Temperature (F) | 37.9 | 41.1 | 44.7 | 46.4 | 54.8 | 63.7 | 69.2 | 70.2 | 64.5 | 54.8 | 41.6 | 34.5 | 54.4 |
| Year Lowest Occurred | 1972 | 1975 | 1975 | 1967 | 1977 | 1980 | 1983 | 1976 | 1986 | 1989 | 1985 | 1972 | 1971 |
| Mean Min. Temperature (F) | 32.8 | 34.6 | 36.0 | 38.6 | 43.5 | 49.9 | 52.9 | 52.6 | 47.8 | 41.8 | 37.6 | 33.4 | 41.8 |
| Highest Mean Min. Temperature (F) | 40.4 | 43.0 | 41.0 | 43.5 | 46.8 | 54.6 | 57.2 | 56.6 | 52.0 | 47.6 | 42.9 | 39.9 | 44.9 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1990 | 1987 | 1986 | 1985 | 1977 | 1976 | 1979 | 1981 | 1981 | 1986 |
| Lowest Mean Min. Temperature (F) | 25.8 | 29.7 | 31.3 | 31.5 | 40.2 | 46.1 | 48.7 | 48.6 | 43.1 | 36.8 | 31.8 | 25.9 | 39.8 |
| Year Lowest Occurred | 1963 | 1964 | 1969 | 1968 | 1965 | 1962 | 1963 | 1989 | 1961 | 1989 | 1961 | 1990 | 1971 |
| Mean Precipitation (in.) | 6.86 | 5.34 | 4.98 | 1.93 | 1.03 | 0.42 | 0.14 | 0.53 | 0.90 | 2.52 | 6.27 | 7.09 | 38.01 |
| Highest Precipitation (in.) | 20.09 | 16.05 | 13.72 | 7.34 | 6.25 | 1.91 | 1.24 | 3.91 | 4.38 | 7.52 | 16.47 | 20.40 | 73.00 |
| Year Highest Occurred | 1970 | 1986 | 1975 | 1963 | 1990 | 1988 | 1987 | 1983 | 1989 | 1962 | 1970 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.53 | 0.22 | 0.41 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.06 | 0.17 | 18.52 |
| Year Lowest Occurred | 1985 | 1988 | 1988 | 1985 | 1982 | 1981 | 1989 | 1988 | 1988 | 1978 | 1980 | 1989 | 1976 |
| Heating Degree Days (F) | 735. | 540. | 499. | 335. | 147. | 30. | 0. | 0. | 29. | 207. | 540. | 744. | 3806. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 17. | 35. | 159. | 308. | 291. | 140. | 18. | 0. | 0. | 968. |