| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 50.5 | 57.1 | 64.8 | 73.2 | 80.8 | 89.8 | 92.0 | 89.3 | 83.2 | 73.7 | 60.8 | 51.1 | 72.2 |
| Highest Mean Max. Temperature (F) | 59.2 | 62.7 | 73.4 | 80.7 | 86.3 | 95.8 | 95.8 | 93.9 | 88.0 | 78.8 | 66.0 | 58.5 | 75.0 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1989 | 1989 | 1990 | 1980 | 1962 | 1983 | 1979 | 1981 | 1981 | 1989 |
| Lowest Mean Max. Temperature (F) | 44.2 | 44.1 | 58.9 | 67.0 | 77.6 | 84.5 | 88.9 | 85.2 | 79.8 | 66.7 | 54.5 | 44.1 | 69.7 |
| Year Lowest Occurred | 1977 | 1964 | 1962 | 1973 | 1965 | 1965 | 1976 | 1968 | 1975 | 1984 | 1972 | 1971 | 1964 |
| Mean Temperature (F) | 34.1 | 39.8 | 46.7 | 54.3 | 62.5 | 71.3 | 76.2 | 74.0 | 66.7 | 55.7 | 43.7 | 35.1 | 55.0 |
| Highest Mean Temperature (F) | 39.7 | 44.5 | 52.3 | 60.4 | 68.5 | 75.8 | 78.5 | 77.1 | 71.9 | 59.1 | 46.6 | 39.9 | 56.8 |
| Year Highest Occurred | 1969 | 1980 | 1967 | 1989 | 1984 | 1990 | 1980 | 1969 | 1983 | 1988 | 1978 | 1980 | 1989 |
| Lowest Mean Temperature (F) | 28.6 | 28.7 | 40.7 | 49.1 | 59.5 | 67.4 | 74.0 | 71.5 | 63.6 | 52.0 | 38.9 | 30.9 | 52.2 |
| Year Lowest Occurred | 1964 | 1964 | 1962 | 1973 | 1975 | 1965 | 1976 | 1968 | 1961 | 1970 | 1976 | 1974 | 1964 |
| Mean Min. Temperature (F) | 17.7 | 22.5 | 28.5 | 35.4 | 44.1 | 52.7 | 60.3 | 58.6 | 50.3 | 37.7 | 26.6 | 19.0 | 37.8 |
| Highest Mean Min. Temperature (F) | 26.0 | 29.6 | 33.1 | 41.6 | 50.8 | 57.0 | 63.5 | 62.2 | 55.8 | 44.7 | 33.3 | 24.5 | 40.2 |
| Year Highest Occurred | 1980 | 1980 | 1985 | 1990 | 1984 | 1986 | 1969 | 1969 | 1983 | 1972 | 1978 | 1984 | 1986 |
| Lowest Mean Min. Temperature (F) | 9.0 | 13.2 | 21.5 | 30.7 | 40.6 | 48.3 | 56.7 | 54.2 | 46.0 | 33.5 | 19.8 | 12.5 | 34.6 |
| Year Lowest Occurred | 1964 | 1964 | 1969 | 1970 | 1972 | 1975 | 1987 | 1962 | 1961 | 1961 | 1976 | 1975 | 1964 |
| Mean Precipitation (in.) | 0.34 | 0.46 | 0.40 | 0.46 | 0.46 | 0.56 | 1.24 | 1.80 | 1.30 | 0.97 | 0.45 | 0.46 | 8.90 |
| Highest Precipitation (in.) | 1.46 | 1.67 | 1.29 | 3.06 | 1.46 | 2.24 | 3.91 | 3.48 | 4.47 | 4.57 | 1.93 | 1.88 | 14.87 |
| Year Highest Occurred | 1983 | 1964 | 1973 | 1990 | 1976 | 1967 | 1974 | 1967 | 1988 | 1972 | 1986 | 1984 | 1986 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 5.42 |
| Year Lowest Occurred | 1976 | 1984 | 1971 | 1989 | 1970 | 1977 | 1982 | 1962 | 1968 | 1982 | 1989 | 1981 | 1976 |
| Heating Degree Days (F) | 958. | 706. | 567. | 325. | 111. | 7. | 0. | 0. | 34. | 288. | 639. | 927. | 4562. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 34. | 196. | 347. | 279. | 85. | 0. | 0. | 0. | 941. |