| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 46.2 | 51.7 | 57.9 | 67.6 | 76.6 | 86.9 | 89.4 | 85.4 | 79.0 | 69.3 | 56.3 | 47.5 | 67.8 |
| Highest Mean Max. Temperature (F) | 56.1 | 58.6 | 66.5 | 75.3 | 82.4 | 92.9 | 95.4 | 90.2 | 83.6 | 75.6 | 62.5 | 56.5 | 70.7 |
| Year Highest Occurred | 1986 | 1981 | 1972 | 1989 | 1984 | 1980 | 1966 | 1962 | 1979 | 1979 | 1981 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 40.0 | 42.4 | 51.1 | 59.5 | 72.4 | 81.1 | 83.5 | 80.5 | 73.9 | 58.7 | 47.2 | 39.8 | 65.7 |
| Year Lowest Occurred | 1973 | 1964 | 1973 | 1973 | 1987 | 1965 | 1990 | 1988 | 1975 | 1984 | 1972 | 1967 | 1973 |
| Mean Temperature (F) | 31.4 | 36.4 | 42.0 | 50.0 | 58.7 | 68.1 | 72.9 | 69.8 | 62.8 | 52.1 | 40.6 | 32.6 | 51.5 |
| Highest Mean Temperature (F) | 38.9 | 41.0 | 49.2 | 55.7 | 64.2 | 72.5 | 76.6 | 72.9 | 65.7 | 56.2 | 45.7 | 40.0 | 53.3 |
| Year Highest Occurred | 1969 | 1976 | 1972 | 1989 | 1984 | 1981 | 1966 | 1977 | 1983 | 1967 | 1965 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 27.1 | 28.0 | 35.3 | 44.5 | 55.5 | 63.1 | 69.9 | 67.2 | 59.1 | 47.3 | 35.6 | 27.8 | 49.4 |
| Year Lowest Occurred | 1964 | 1964 | 1962 | 1973 | 1983 | 1965 | 1990 | 1990 | 1985 | 1984 | 1979 | 1987 | 1987 |
| Mean Min. Temperature (F) | 16.6 | 21.0 | 26.0 | 32.3 | 40.8 | 49.3 | 56.4 | 54.2 | 46.5 | 34.9 | 24.9 | 17.7 | 35.1 |
| Highest Mean Min. Temperature (F) | 26.2 | 27.5 | 31.8 | 36.8 | 45.9 | 53.4 | 61.0 | 57.4 | 50.2 | 42.4 | 31.3 | 25.9 | 37.5 |
| Year Highest Occurred | 1980 | 1968 | 1972 | 1990 | 1984 | 1981 | 1967 | 1969 | 1990 | 1972 | 1978 | 1977 | 1972 |
| Lowest Mean Min. Temperature (F) | 7.3 | 13.5 | 17.3 | 27.4 | 34.9 | 44.6 | 53.1 | 51.8 | 42.3 | 29.1 | 18.7 | 11.8 | 32.3 |
| Year Lowest Occurred | 1967 | 1964 | 1962 | 1975 | 1962 | 1962 | 1979 | 1979 | 1985 | 1980 | 1976 | 1963 | 1987 |
| Mean Precipitation (in.) | 0.47 | 0.51 | 0.43 | 0.41 | 0.54 | 0.44 | 1.77 | 2.10 | 1.54 | 1.09 | 0.46 | 0.47 | 10.23 |
| Highest Precipitation (in.) | 1.80 | 1.59 | 1.87 | 2.94 | 1.95 | 1.57 | 5.00 | 3.89 | 3.60 | 4.73 | 2.27 | 1.72 | 15.93 |
| Year Highest Occurred | 1987 | 1987 | 1981 | 1988 | 1978 | 1988 | 1989 | 1967 | 1975 | 1972 | 1986 | 1965 | 1990 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 0.95 | 0.00 | 0.00 | 0.00 | 0.00 | 7.54 |
| Year Lowest Occurred | 1982 | 1984 | 1986 | 1989 | 1982 | 1989 | 1978 | 1962 | 1987 | 1982 | 1989 | 1983 | 1973 |
| Heating Degree Days (F) | 1042. | 801. | 713. | 450. | 205. | 30. | 0. | 0. | 91. | 400. | 732. | 1004. | 5468. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 10. | 123. | 245. | 153. | 25. | 0. | 0. | 0. | 556. |