| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 61.5 | 64.1 | 65.2 | 71.0 | 77.4 | 86.4 | 93.8 | 93.3 | 87.9 | 79.3 | 68.6 | 62.4 | 75.9 |
| Highest Mean Max. Temperature (F) | 69.6 | 70.8 | 78.4 | 80.2 | 88.5 | 93.9 | 96.1 | 98.4 | 95.8 | 87.2 | 75.2 | 68.8 | 78.6 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1980 | 1962 | 1979 | 1988 | 1977 | 1981 | 1981 |
| Lowest Mean Max. Temperature (F) | 54.0 | 55.6 | 56.3 | 59.7 | 69.4 | 76.0 | 89.4 | 88.4 | 80.5 | 72.3 | 63.2 | 55.2 | 73.8 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1980 | 1965 | 1987 | 1968 | 1976 | 1972 | 1964 | 1971 | 1965 |
| Mean Temperature (F) | 47.7 | 48.8 | 50.1 | 53.8 | 58.9 | 65.6 | 73.0 | 73.1 | 68.3 | 60.9 | 52.5 | 47.6 | 58.4 |
| Highest Mean Temperature (F) | 54.7 | 54.3 | 55.9 | 60.0 | 66.1 | 72.3 | 76.1 | 78.5 | 73.3 | 65.8 | 56.8 | 52.9 | 60.8 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1970 | 1967 | 1984 | 1964 | 1967 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 43.1 | 45.0 | 45.2 | 47.0 | 54.4 | 59.1 | 67.9 | 68.4 | 62.1 | 56.4 | 49.5 | 43.1 | 56.6 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1969 | 1978 | 1971 | 1973 |
| Mean Min. Temperature (F) | 33.8 | 33.5 | 34.9 | 36.4 | 40.4 | 44.8 | 52.1 | 52.9 | 48.6 | 42.3 | 36.4 | 32.8 | 40.7 |
| Highest Mean Min. Temperature (F) | 41.1 | 38.3 | 42.1 | 42.7 | 45.8 | 50.6 | 57.4 | 60.0 | 56.1 | 47.4 | 41.1 | 37.5 | 43.3 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1990 | 1987 | 1981 | 1984 | 1967 | 1984 | 1987 | 1969 | 1980 | 1983 |
| Lowest Mean Min. Temperature (F) | 28.3 | 29.2 | 28.7 | 32.4 | 37.3 | 41.3 | 46.4 | 46.5 | 40.8 | 37.3 | 32.5 | 28.7 | 38.6 |
| Year Lowest Occurred | 1972 | 1964 | 1977 | 1970 | 1961 | 1980 | 1987 | 1976 | 1973 | 1969 | 1971 | 1974 | 1973 |
| Mean Precipitation (in.) | 2.50 | 2.32 | 2.56 | 1.08 | 0.27 | 0.07 | 0.32 | 0.56 | 0.44 | 0.62 | 1.74 | 2.27 | 14.75 |
| Highest Precipitation (in.) | 11.82 | 8.82 | 9.92 | 6.03 | 1.15 | 0.55 | 1.88 | 4.05 | 2.85 | 3.13 | 9.03 | 13.65 | 30.94 |
| Year Highest Occurred | 1980 | 1980 | 1983 | 1965 | 1977 | 1984 | 1968 | 1983 | 1976 | 1987 | 1965 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 5.07 |
| Year Lowest Occurred | 1972 | 1984 | 1972 | 1962 | 1984 | 1989 | 1989 | 1989 | 1988 | 1988 | 1980 | 1981 | 1989 |
| Heating Degree Days (F) | 536. | 454. | 462. | 344. | 202. | 80. | 0. | 10. | 48. | 161. | 375. | 539. | 3211. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 13. | 98. | 251. | 261. | 147. | 34. | 0. | 0. | 812. |