| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 50.4 | 55.5 | 60.0 | 69.0 | 79.0 | 89.6 | 94.4 | 91.6 | 84.9 | 74.0 | 59.9 | 51.1 | 71.6 |
| Highest Mean Max. Temperature (F) | 59.7 | 61.9 | 71.3 | 78.4 | 86.1 | 96.6 | 98.1 | 94.8 | 90.8 | 81.6 | 66.2 | 60.8 | 73.7 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1971 | 1969 | 1979 | 1964 | 1962 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 41.9 | 47.7 | 51.2 | 60.6 | 72.7 | 83.9 | 89.9 | 85.0 | 78.6 | 65.9 | 54.0 | 43.3 | 68.4 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1983 | 1977 | 1965 | 1984 | 1968 | 1986 | 1984 | 1985 | 1967 | 1982 |
| Mean Temperature (F) | 39.1 | 43.1 | 47.0 | 54.6 | 63.8 | 73.9 | 79.5 | 77.1 | 70.5 | 60.0 | 47.6 | 39.7 | 58.0 |
| Highest Mean Temperature (F) | 47.1 | 49.2 | 55.1 | 62.0 | 70.7 | 78.9 | 82.3 | 80.3 | 74.7 | 66.8 | 52.7 | 48.0 | 59.9 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1972 | 1969 | 1979 | 1988 | 1962 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 32.3 | 36.7 | 40.7 | 47.1 | 58.7 | 68.3 | 76.5 | 72.7 | 66.1 | 53.5 | 42.9 | 33.1 | 56.1 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1980 | 1965 | 1987 | 1968 | 1986 | 1984 | 1972 | 1967 | 1982 |
| Mean Min. Temperature (F) | 27.7 | 30.7 | 34.1 | 40.2 | 48.6 | 58.1 | 64.5 | 62.6 | 56.0 | 45.9 | 35.2 | 28.3 | 44.3 |
| Highest Mean Min. Temperature (F) | 34.4 | 36.5 | 39.3 | 46.2 | 55.2 | 63.5 | 67.9 | 65.8 | 59.6 | 52.3 | 39.2 | 35.1 | 46.6 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1985 | 1984 | 1981 | 1963 | 1969 | 1990 | 1988 | 1967 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 22.3 | 23.7 | 29.1 | 33.0 | 43.2 | 52.7 | 61.1 | 60.4 | 51.6 | 40.7 | 31.0 | 22.1 | 42.1 |
| Year Lowest Occurred | 1973 | 1964 | 1977 | 1975 | 1965 | 1965 | 1987 | 1979 | 1970 | 1971 | 1979 | 1990 | 1975 |
| Mean Precipitation (in.) | 1.09 | 0.99 | 1.30 | 0.69 | 0.54 | 0.40 | 1.55 | 1.70 | 0.96 | 0.83 | 1.01 | 1.18 | 12.24 |
| Highest Precipitation (in.) | 3.62 | 3.89 | 3.95 | 3.19 | 1.53 | 2.51 | 5.60 | 4.79 | 3.90 | 2.87 | 2.74 | 6.19 | 19.96 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1988 | 1980 | 1972 | 1984 | 1982 | 1967 | 1972 | 1978 | 1966 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 6.59 |
| Year Lowest Occurred | 1976 | 1977 | 1972 | 1989 | 1983 | 1979 | 1972 | 1976 | 1973 | 1973 | 1989 | 1963 | 1989 |
| Heating Degree Days (F) | 803. | 613. | 558. | 334. | 115. | 7. | 0. | 0. | 11. | 209. | 522. | 784. | 3956. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 22. | 77. | 274. | 450. | 375. | 176. | 54. | 0. | 0. | 1428. |