| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 46.6 | 55.3 | 63.0 | 72.0 | 81.4 | 92.0 | 95.5 | 92.2 | 85.4 | 73.7 | 59.4 | 47.3 | 72.0 |
| Highest Mean Max. Temperature (F) | 55.4 | 60.8 | 73.7 | 79.7 | 89.0 | 98.3 | 100.2 | 96.4 | 91.4 | 80.0 | 67.4 | 56.0 | 75.0 |
| Year Highest Occurred | 1986 | 1967 | 1972 | 1989 | 1984 | 1974 | 1971 | 1969 | 1979 | 1967 | 1967 | 1977 | 1969 |
| Lowest Mean Max. Temperature (F) | 32.3 | 45.9 | 53.7 | 64.3 | 76.3 | 85.0 | 91.1 | 88.0 | 80.0 | 67.0 | 52.8 | 34.5 | 69.8 |
| Year Lowest Occurred | 1968 | 1962 | 1973 | 1983 | 1965 | 1965 | 1965 | 1963 | 1986 | 1984 | 1972 | 1961 | 1982 |
| Mean Temperature (F) | 35.2 | 42.1 | 48.8 | 56.6 | 65.5 | 75.6 | 80.4 | 77.3 | 70.6 | 59.4 | 46.8 | 36.0 | 57.9 |
| Highest Mean Temperature (F) | 42.1 | 46.5 | 57.3 | 64.6 | 72.6 | 81.9 | 84.4 | 80.7 | 75.5 | 64.5 | 51.7 | 44.3 | 59.7 |
| Year Highest Occurred | 1986 | 1986 | 1972 | 1989 | 1984 | 1974 | 1971 | 1969 | 1979 | 1988 | 1967 | 1977 | 1989 |
| Lowest Mean Temperature (F) | 21.2 | 35.9 | 42.8 | 48.8 | 61.0 | 67.3 | 74.7 | 68.4 | 66.2 | 53.6 | 41.9 | 25.9 | 55.5 |
| Year Lowest Occurred | 1968 | 1962 | 1973 | 1970 | 1980 | 1967 | 1967 | 1968 | 1985 | 1984 | 1964 | 1961 | 1967 |
| Mean Min. Temperature (F) | 23.8 | 28.9 | 34.5 | 41.1 | 49.5 | 59.1 | 65.2 | 62.4 | 55.7 | 45.1 | 34.1 | 24.8 | 43.7 |
| Highest Mean Min. Temperature (F) | 30.7 | 34.0 | 40.9 | 49.5 | 56.2 | 65.4 | 70.0 | 66.6 | 59.9 | 50.7 | 39.6 | 32.6 | 45.7 |
| Year Highest Occurred | 1980 | 1986 | 1972 | 1989 | 1984 | 1974 | 1963 | 1966 | 1983 | 1963 | 1965 | 1977 | 1989 |
| Lowest Mean Min. Temperature (F) | 10.0 | 23.3 | 30.1 | 33.0 | 43.3 | 45.6 | 54.3 | 43.4 | 47.9 | 40.1 | 29.5 | 15.8 | 37.5 |
| Year Lowest Occurred | 1968 | 1969 | 1969 | 1970 | 1971 | 1967 | 1968 | 1967 | 1967 | 1984 | 1964 | 1967 | 1967 |
| Mean Precipitation (in.) | 0.53 | 0.48 | 0.66 | 0.32 | 0.36 | 0.29 | 1.39 | 1.70 | 0.85 | 0.72 | 0.65 | 0.64 | 8.59 |
| Highest Precipitation (in.) | 2.23 | 2.42 | 2.87 | 1.71 | 1.96 | 1.92 | 3.75 | 4.02 | 3.86 | 7.85 | 3.65 | 2.57 | 15.08 |
| Year Highest Occurred | 1985 | 1973 | 1970 | 1988 | 1982 | 1972 | 1983 | 1986 | 1983 | 1972 | 1978 | 1967 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.25 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 3.98 |
| Year Lowest Occurred | 1986 | 1968 | 1990 | 1989 | 1974 | 1989 | 1963 | 1990 | 1973 | 1982 | 1989 | 1981 | 1989 |
| Heating Degree Days (F) | 924. | 641. | 502. | 277. | 85. | 7. | 0. | 0. | 13. | 210. | 546. | 899. | 4104. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 25. | 101. | 325. | 477. | 381. | 181. | 37. | 0. | 0. | 1527. |