| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 52.7 | 55.1 | 56.5 | 62.7 | 71.1 | 79.7 | 86.7 | 85.8 | 80.3 | 71.2 | 58.9 | 52.4 | 67.8 |
| Highest Mean Max. Temperature (F) | 58.8 | 61.2 | 66.8 | 71.6 | 76.6 | 86.7 | 93.3 | 92.2 | 86.2 | 79.1 | 66.1 | 61.4 | 70.2 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1970 | 1981 | 1970 | 1970 | 1979 | 1988 | 1967 | 1962 | 1981 |
| Lowest Mean Max. Temperature (F) | 43.7 | 47.6 | 49.2 | 50.9 | 61.0 | 72.3 | 81.3 | 80.7 | 72.1 | 63.5 | 53.7 | 43.5 | 65.7 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1984 | 1987 | 1984 | 1982 |
| Mean Temperature (F) | 41.6 | 43.5 | 45.2 | 49.8 | 57.6 | 65.8 | 72.3 | 71.0 | 65.0 | 56.3 | 47.0 | 41.4 | 54.7 |
| Highest Mean Temperature (F) | 48.4 | 49.0 | 52.1 | 56.7 | 61.9 | 71.8 | 76.3 | 75.7 | 69.4 | 62.1 | 52.5 | 48.2 | 57.1 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1970 | 1967 | 1979 | 1988 | 1967 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 36.2 | 38.9 | 40.3 | 40.6 | 50.7 | 59.0 | 67.2 | 65.6 | 58.6 | 51.2 | 43.6 | 35.0 | 52.9 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1977 | 1965 | 1983 | 1976 | 1986 | 1984 | 1964 | 1971 | 1964 |
| Mean Min. Temperature (F) | 30.6 | 31.8 | 33.9 | 36.8 | 44.0 | 51.8 | 57.9 | 56.0 | 49.6 | 41.4 | 35.1 | 30.5 | 41.6 |
| Highest Mean Min. Temperature (F) | 37.9 | 37.5 | 39.8 | 44.5 | 47.9 | 56.8 | 62.2 | 59.3 | 54.0 | 46.6 | 38.8 | 36.3 | 44.1 |
| Year Highest Occurred | 1986 | 1968 | 1978 | 1989 | 1981 | 1981 | 1990 | 1967 | 1983 | 1990 | 1967 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 26.6 | 25.7 | 28.9 | 30.2 | 39.9 | 45.7 | 50.5 | 50.5 | 44.0 | 36.6 | 31.0 | 25.4 | 39.6 |
| Year Lowest Occurred | 1964 | 1964 | 1964 | 1967 | 1962 | 1965 | 1983 | 1976 | 1965 | 1971 | 1961 | 1971 | 1964 |
| Mean Precipitation (in.) | 1.60 | 1.62 | 1.98 | 0.87 | 0.41 | 0.11 | 0.09 | 0.39 | 0.34 | 0.40 | 1.48 | 1.57 | 10.86 |
| Highest Precipitation (in.) | 5.16 | 6.09 | 11.59 | 3.55 | 2.35 | 0.77 | 1.10 | 2.65 | 2.13 | 2.23 | 6.22 | 4.43 | 27.77 |
| Year Highest Occurred | 1969 | 1978 | 1983 | 1967 | 1977 | 1972 | 1984 | 1983 | 1967 | 1974 | 1970 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.30 |
| Year Lowest Occurred | 1984 | 1967 | 1972 | 1977 | 1975 | 1989 | 1990 | 1990 | 1981 | 1988 | 1962 | 1989 | 1989 |
| Heating Degree Days (F) | 725. | 602. | 614. | 464. | 248. | 77. | 10. | 13. | 87. | 281. | 540. | 732. | 4393. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 19. | 101. | 236. | 199. | 87. | 12. | 0. | 0. | 662. |