| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.8 | 59.6 | 65.1 | 72.7 | 82.3 | 91.6 | 97.7 | 95.7 | 88.5 | 77.9 | 63.9 | 54.9 | 75.4 |
| Highest Mean Max. Temperature (F) | 63.3 | 66.7 | 75.3 | 86.0 | 90.0 | 98.7 | 104.8 | 101.0 | 93.3 | 88.6 | 70.3 | 63.7 | 80.1 |
| Year Highest Occurred | 1986 | 1988 | 1972 | 1989 | 1984 | 1986 | 1989 | 1986 | 1974 | 1988 | 1989 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 43.2 | 47.3 | 57.5 | 61.0 | 70.3 | 85.2 | 93.4 | 89.5 | 83.5 | 70.8 | 58.5 | 45.9 | 73.2 |
| Year Lowest Occurred | 1974 | 1969 | 1973 | 1967 | 1977 | 1967 | 1987 | 1976 | 1965 | 1972 | 1982 | 1984 | 1982 |
| Mean Temperature (F) | 41.2 | 45.5 | 50.5 | 57.4 | 66.5 | 75.3 | 80.8 | 78.9 | 71.8 | 61.4 | 49.4 | 41.2 | 60.0 |
| Highest Mean Temperature (F) | 50.0 | 51.1 | 59.1 | 68.9 | 73.8 | 81.7 | 86.6 | 83.5 | 76.3 | 70.7 | 53.5 | 48.8 | 63.8 |
| Year Highest Occurred | 1986 | 1986 | 1989 | 1989 | 1984 | 1986 | 1988 | 1986 | 1979 | 1988 | 1989 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 32.5 | 36.1 | 44.3 | 47.8 | 57.0 | 69.5 | 76.4 | 73.2 | 66.2 | 56.2 | 45.4 | 35.4 | 58.2 |
| Year Lowest Occurred | 1974 | 1969 | 1962 | 1967 | 1977 | 1965 | 1987 | 1976 | 1965 | 1972 | 1982 | 1990 | 1975 |
| Mean Min. Temperature (F) | 27.6 | 31.4 | 35.9 | 42.0 | 50.7 | 58.8 | 63.8 | 62.1 | 55.1 | 44.8 | 34.9 | 27.5 | 44.6 |
| Highest Mean Min. Temperature (F) | 36.7 | 39.9 | 45.1 | 51.7 | 57.5 | 65.3 | 68.5 | 66.0 | 60.2 | 52.7 | 38.6 | 33.9 | 48.3 |
| Year Highest Occurred | 1986 | 1986 | 1986 | 1989 | 1984 | 1981 | 1985 | 1986 | 1979 | 1988 | 1967 | 1985 | 1986 |
| Lowest Mean Min. Temperature (F) | 21.8 | 24.8 | 29.9 | 34.5 | 43.6 | 53.8 | 58.7 | 56.8 | 48.8 | 40.3 | 30.4 | 20.0 | 41.9 |
| Year Lowest Occurred | 1974 | 1969 | 1962 | 1967 | 1977 | 1965 | 1963 | 1976 | 1965 | 1971 | 1961 | 1990 | 1964 |
| Mean Precipitation (in.) | 1.22 | 1.04 | 0.44 | 0.23 | 0.20 | 0.13 | 0.16 | 0.19 | 0.25 | 0.12 | 0.62 | 0.86 | 5.46 |
| Highest Precipitation (in.) | 10.71 | 3.92 | 1.89 | 1.16 | 1.05 | 0.99 | 0.98 | 1.39 | 2.16 | 0.82 | 2.57 | 9.90 | 15.79 |
| Year Highest Occurred | 1969 | 1980 | 1978 | 1965 | 1977 | 1985 | 1976 | 1963 | 1976 | 1974 | 1965 | 1966 | 1969 |
| 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 | 0.00 | 0.85 |
| Year Lowest Occurred | 1984 | 1990 | 1990 | 1989 | 1986 | 1990 | 1990 | 1987 | 1987 | 1990 | 1990 | 1990 | 1990 |
| Heating Degree Days (F) | 738. | 546. | 459. | 286. | 96. | 11. | 0. | 0. | 18. | 165. | 468. | 738. | 3525. |
| Cooling Degree Days (F) | 0. | 0. | 10. | 58. | 142. | 320. | 490. | 431. | 222. | 53. | 0. | 0. | 1726. |