| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 56.3 | 63.2 | 68.1 | 75.0 | 84.0 | 92.3 | 97.8 | 95.9 | 89.6 | 80.2 | 66.1 | 56.4 | 77.1 |
| Highest Mean Max. Temperature (F) | 68.4 | 69.3 | 76.8 | 85.2 | 94.2 | 99.3 | 102.0 | 101.7 | 96.2 | 87.0 | 70.0 | 63.8 | 80.0 |
| Year Highest Occurred | 1986 | 1987 | 1972 | 1989 | 1987 | 1981 | 1967 | 1967 | 1984 | 1990 | 1989 | 1977 | 1987 |
| Lowest Mean Max. Temperature (F) | 48.9 | 56.8 | 60.7 | 61.9 | 73.9 | 86.1 | 91.3 | 87.0 | 82.9 | 75.6 | 60.3 | 48.1 | 74.6 |
| Year Lowest Occurred | 1972 | 1969 | 1973 | 1967 | 1977 | 1969 | 1983 | 1976 | 1985 | 1972 | 1972 | 1963 | 1982 |
| Mean Temperature (F) | 46.2 | 52.4 | 56.5 | 62.1 | 70.0 | 77.9 | 83.4 | 82.0 | 76.2 | 67.6 | 55.2 | 46.4 | 64.7 |
| Highest Mean Temperature (F) | 55.6 | 58.2 | 63.4 | 71.0 | 76.9 | 85.1 | 88.2 | 88.2 | 80.9 | 72.7 | 60.0 | 52.1 | 67.1 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1987 | 1981 | 1961 | 1967 | 1974 | 1990 | 1967 | 1977 | 1986 |
| Lowest Mean Temperature (F) | 39.9 | 48.5 | 51.6 | 51.6 | 62.4 | 73.2 | 76.9 | 75.3 | 70.6 | 63.2 | 51.3 | 40.4 | 62.7 |
| Year Lowest Occurred | 1972 | 1971 | 1973 | 1967 | 1977 | 1965 | 1983 | 1976 | 1985 | 1969 | 1964 | 1963 | 1982 |
| Mean Min. Temperature (F) | 36.1 | 41.5 | 44.9 | 49.3 | 55.9 | 63.5 | 69.0 | 68.1 | 62.7 | 54.9 | 44.2 | 36.4 | 52.2 |
| Highest Mean Min. Temperature (F) | 42.8 | 47.8 | 51.1 | 56.7 | 59.5 | 70.8 | 74.4 | 74.6 | 68.1 | 60.9 | 50.9 | 41.3 | 54.4 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1989 | 1987 | 1981 | 1961 | 1967 | 1967 | 1987 | 1967 | 1964 | 1986 |
| Lowest Mean Min. Temperature (F) | 30.5 | 37.5 | 39.7 | 41.2 | 49.5 | 58.1 | 57.5 | 61.8 | 54.4 | 49.1 | 40.3 | 32.6 | 50.4 |
| Year Lowest Occurred | 1962 | 1971 | 1985 | 1967 | 1971 | 1965 | 1977 | 1982 | 1970 | 1984 | 1964 | 1963 | 1971 |
| Mean Precipitation (in.) | 0.91 | 1.25 | 1.16 | 0.62 | 0.23 | 0.04 | 0.00 | 0.07 | 0.30 | 0.31 | 0.79 | 0.70 | 6.38 |
| Highest Precipitation (in.) | 2.58 | 5.67 | 3.73 | 1.95 | 1.94 | 0.42 | 0.05 | 1.47 | 2.70 | 1.44 | 2.72 | 2.32 | 13.22 |
| Year Highest Occurred | 1969 | 1962 | 1980 | 1988 | 1980 | 1985 | 1984 | 1983 | 1976 | 1968 | 1987 | 1988 | 1978 |
| 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 | 0.67 |
| Year Lowest Occurred | 1990 | 1990 | 1990 | 1979 | 1990 | 1990 | 1990 | 1990 | 1988 | 1990 | 1989 | 1989 | 1990 |
| Heating Degree Days (F) | 583. | 353. | 273. | 184. | 30. | 0. | 0. | 0. | 6. | 53. | 294. | 577. | 2353. |
| Cooling Degree Days (F) | 0. | 0. | 10. | 97. | 185. | 391. | 570. | 527. | 342. | 134. | 0. | 0. | 2256. |