| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 46.7 | 51.3 | 56.5 | 65.0 | 75.0 | 86.2 | 92.5 | 90.0 | 82.2 | 71.3 | 57.2 | 48.1 | 68.5 |
| Highest Mean Max. Temperature (F) | 56.7 | 58.0 | 68.8 | 74.4 | 83.4 | 94.1 | 95.9 | 94.0 | 88.5 | 79.5 | 63.9 | 57.1 | 70.7 |
| Year Highest Occurred | 1986 | 1977 | 1972 | 1989 | 1984 | 1974 | 1972 | 1969 | 1979 | 1964 | 1976 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 37.6 | 45.8 | 48.5 | 56.3 | 66.3 | 79.7 | 88.3 | 84.6 | 75.2 | 63.7 | 49.2 | 41.4 | 66.0 |
| Year Lowest Occurred | 1979 | 1979 | 1973 | 1967 | 1977 | 1967 | 1987 | 1968 | 1965 | 1984 | 1972 | 1990 | 1982 |
| Mean Temperature (F) | 35.0 | 39.0 | 43.4 | 50.6 | 59.7 | 69.8 | 75.8 | 73.5 | 66.1 | 56.0 | 43.6 | 35.9 | 54.0 |
| Highest Mean Temperature (F) | 43.2 | 43.7 | 52.5 | 59.5 | 67.1 | 75.7 | 79.4 | 76.7 | 71.9 | 63.6 | 49.0 | 43.6 | 56.5 |
| Year Highest Occurred | 1986 | 1968 | 1972 | 1989 | 1984 | 1974 | 1972 | 1970 | 1979 | 1988 | 1976 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 28.3 | 32.6 | 36.6 | 43.6 | 53.2 | 62.4 | 71.7 | 67.3 | 57.8 | 48.8 | 37.4 | 29.5 | 50.9 |
| Year Lowest Occurred | 1973 | 1966 | 1964 | 1967 | 1977 | 1965 | 1965 | 1968 | 1965 | 1969 | 1964 | 1990 | 1965 |
| Mean Min. Temperature (F) | 23.2 | 26.6 | 30.2 | 36.3 | 44.5 | 53.3 | 58.9 | 57.0 | 49.8 | 40.7 | 30.1 | 23.7 | 39.5 |
| Highest Mean Min. Temperature (F) | 29.7 | 32.0 | 38.3 | 44.5 | 50.8 | 58.0 | 63.3 | 61.4 | 55.4 | 48.2 | 35.1 | 30.1 | 42.6 |
| Year Highest Occurred | 1986 | 1986 | 1986 | 1989 | 1984 | 1987 | 1988 | 1970 | 1976 | 1988 | 1981 | 1980 | 1989 |
| Lowest Mean Min. Temperature (F) | 13.7 | 18.0 | 21.9 | 29.3 | 37.6 | 44.8 | 52.9 | 50.0 | 40.3 | 32.3 | 22.5 | 14.1 | 34.7 |
| Year Lowest Occurred | 1963 | 1964 | 1964 | 1963 | 1965 | 1965 | 1966 | 1968 | 1965 | 1969 | 1964 | 1968 | 1964 |
| Mean Precipitation (in.) | 1.23 | 1.44 | 1.88 | 1.09 | 0.75 | 0.32 | 1.01 | 1.15 | 1.11 | 0.99 | 1.29 | 1.17 | 13.43 |
| Highest Precipitation (in.) | 5.92 | 5.68 | 6.09 | 4.79 | 3.41 | 0.86 | 4.19 | 4.51 | 4.58 | 3.38 | 3.37 | 3.92 | 23.50 |
| Year Highest Occurred | 1980 | 1980 | 1983 | 1988 | 1977 | 1990 | 1984 | 1971 | 1967 | 1987 | 1972 | 1966 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.01 |
| Year Lowest Occurred | 1972 | 1977 | 1972 | 1989 | 1984 | 1989 | 1963 | 1985 | 1979 | 1967 | 1989 | 1989 | 1989 |
| Heating Degree Days (F) | 930. | 728. | 670. | 442. | 205. | 38. | 0. | 0. | 78. | 300. | 642. | 902. | 4935. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 10. | 41. | 182. | 335. | 266. | 111. | 21. | 0. | 0. | 966. |