| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 52.0 | 54.8 | 57.1 | 63.7 | 73.0 | 82.0 | 89.0 | 88.4 | 82.8 | 72.3 | 57.3 | 51.3 | 68.6 |
| Highest Mean Max. Temperature (F) | 58.2 | 64.2 | 65.8 | 72.0 | 78.7 | 86.9 | 93.8 | 95.1 | 89.1 | 80.2 | 68.5 | 60.2 | 71.1 |
| Year Highest Occurred | 1984 | 1988 | 1988 | 1987 | 1976 | 1977 | 1988 | 1967 | 1974 | 1978 | 1976 | 1989 | 1988 |
| Lowest Mean Max. Temperature (F) | 45.6 | 43.8 | 49.7 | 47.4 | 62.9 | 75.1 | 83.1 | 81.2 | 73.5 | 64.5 | 48.1 | 43.5 | 65.0 |
| Year Lowest Occurred | 1973 | 1969 | 1983 | 1967 | 1977 | 1980 | 1982 | 1976 | 1986 | 1984 | 1973 | 1971 | 1982 |
| Mean Temperature (F) | 41.7 | 44.0 | 45.8 | 50.8 | 58.4 | 66.2 | 71.8 | 71.1 | 66.1 | 57.9 | 46.7 | 41.4 | 55.2 |
| Highest Mean Temperature (F) | 47.3 | 50.6 | 51.7 | 57.3 | 63.4 | 70.9 | 75.8 | 76.5 | 70.8 | 64.5 | 54.3 | 47.3 | 56.7 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1973 | 1977 | 1988 | 1967 | 1975 | 1987 | 1976 | 1962 | 1986 |
| Lowest Mean Temperature (F) | 36.1 | 37.3 | 40.4 | 39.2 | 50.6 | 59.9 | 65.2 | 64.9 | 59.2 | 47.9 | 38.6 | 35.2 | 50.7 |
| Year Lowest Occurred | 1982 | 1969 | 1982 | 1967 | 1977 | 1980 | 1982 | 1979 | 1982 | 1984 | 1984 | 1971 | 1982 |
| Mean Min. Temperature (F) | 31.3 | 33.2 | 34.4 | 37.9 | 43.8 | 50.5 | 54.4 | 53.7 | 49.4 | 43.4 | 36.0 | 31.4 | 41.6 |
| Highest Mean Min. Temperature (F) | 39.3 | 41.7 | 40.8 | 44.3 | 48.3 | 54.8 | 58.0 | 57.8 | 54.1 | 49.0 | 40.4 | 37.1 | 43.5 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1973 | 1977 | 1985 | 1967 | 1963 | 1987 | 1962 | 1962 | 1986 |
| Lowest Mean Min. Temperature (F) | 24.2 | 26.9 | 30.0 | 31.0 | 38.3 | 44.6 | 47.2 | 44.4 | 41.0 | 31.2 | 26.8 | 23.9 | 36.5 |
| Year Lowest Occurred | 1989 | 1989 | 1977 | 1967 | 1977 | 1980 | 1982 | 1979 | 1982 | 1984 | 1984 | 1984 | 1982 |
| Mean Precipitation (in.) | 11.86 | 9.20 | 9.45 | 4.67 | 1.66 | 0.70 | 0.16 | 0.38 | 1.42 | 4.11 | 10.34 | 10.27 | 64.22 |
| Highest Precipitation (in.) | 31.56 | 25.44 | 25.48 | 14.10 | 8.78 | 2.41 | 2.67 | 2.23 | 6.73 | 24.15 | 30.22 | 27.29 | 121.24 |
| Year Highest Occurred | 1970 | 1986 | 1983 | 1963 | 1990 | 1964 | 1974 | 1965 | 1986 | 1962 | 1973 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.63 | 0.42 | 1.82 | 0.47 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.97 | 0.00 | 22.66 |
| Year Lowest Occurred | 1984 | 1988 | 1988 | 1968 | 1976 | 1979 | 1989 | 1989 | 1988 | 1978 | 1986 | 1989 | 1976 |
| Heating Degree Days (F) | 722. | 588. | 595. | 442. | 226. | 70. | 15. | 20. | 81. | 254. | 549. | 732. | 4294. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 16. | 21. | 106. | 225. | 209. | 114. | 34. | 0. | 0. | 725. |