| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.2 | 47.8 | 56.1 | 65.4 | 75.2 | 85.6 | 92.6 | 89.9 | 80.4 | 68.3 | 53.4 | 41.3 | 66.4 |
| Highest Mean Max. Temperature (F) | 49.0 | 55.9 | 66.1 | 73.9 | 81.5 | 93.4 | 96.6 | 93.1 | 86.7 | 75.7 | 60.4 | 52.2 | 68.6 |
| Year Highest Occurred | 1961 | 1972 | 1972 | 1987 | 1969 | 1961 | 1961 | 1962 | 1979 | 1963 | 1967 | 1977 | 1961 |
| Lowest Mean Max. Temperature (F) | 29.2 | 39.0 | 48.2 | 58.2 | 68.4 | 78.4 | 89.4 | 82.8 | 74.3 | 59.5 | 46.3 | 30.9 | 63.5 |
| Year Lowest Occurred | 1973 | 1989 | 1964 | 1975 | 1965 | 1967 | 1965 | 1968 | 1986 | 1969 | 1964 | 1985 | 1984 |
| Mean Temperature (F) | 26.5 | 33.2 | 40.3 | 47.9 | 56.5 | 65.4 | 73.1 | 70.8 | 61.3 | 50.0 | 38.1 | 27.8 | 49.2 |
| Highest Mean Temperature (F) | 35.7 | 39.9 | 47.0 | 53.5 | 61.2 | 69.5 | 75.5 | 73.7 | 66.1 | 56.4 | 43.4 | 36.8 | 51.5 |
| Year Highest Occurred | 1969 | 1986 | 1986 | 1989 | 1969 | 1961 | 1981 | 1970 | 1990 | 1963 | 1965 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 14.9 | 25.2 | 33.6 | 42.1 | 52.2 | 61.4 | 70.6 | 66.0 | 56.5 | 45.0 | 30.9 | 16.9 | 47.4 |
| Year Lowest Occurred | 1989 | 1989 | 1964 | 1975 | 1975 | 1965 | 1987 | 1968 | 1965 | 1969 | 1964 | 1990 | 1975 |
| Mean Min. Temperature (F) | 12.8 | 18.7 | 24.5 | 30.4 | 37.8 | 45.2 | 53.4 | 51.8 | 42.1 | 31.5 | 22.8 | 14.2 | 32.1 |
| Highest Mean Min. Temperature (F) | 24.3 | 26.1 | 30.9 | 35.0 | 41.2 | 49.6 | 57.0 | 56.2 | 47.5 | 37.3 | 27.8 | 24.4 | 34.8 |
| Year Highest Occurred | 1969 | 1986 | 1978 | 1990 | 1963 | 1972 | 1990 | 1963 | 1990 | 1972 | 1963 | 1964 | 1981 |
| Lowest Mean Min. Temperature (F) | -0.9 | 9.8 | 18.4 | 25.6 | 33.2 | 41.3 | 49.0 | 47.0 | 37.9 | 27.8 | 15.5 | 1.7 | 29.9 |
| Year Lowest Occurred | 1989 | 1964 | 1976 | 1970 | 1983 | 1980 | 1962 | 1976 | 1970 | 1970 | 1964 | 1990 | 1975 |
| Mean Precipitation (in.) | 0.50 | 0.48 | 1.12 | 0.98 | 0.78 | 0.54 | 0.86 | 0.83 | 0.86 | 0.78 | 0.77 | 0.59 | 9.09 |
| Highest Precipitation (in.) | 1.53 | 2.05 | 2.57 | 1.88 | 2.89 | 2.18 | 3.74 | 3.11 | 3.82 | 2.23 | 2.26 | 1.71 | 11.45 |
| Year Highest Occurred | 1979 | 1962 | 1987 | 1986 | 1975 | 1990 | 1969 | 1983 | 1982 | 1971 | 1978 | 1966 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.09 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 4.23 |
| Year Lowest Occurred | 1963 | 1972 | 1972 | 1962 | 1974 | 1980 | 1978 | 1985 | 1979 | 1965 | 1971 | 1989 | 1989 |
| Heating Degree Days (F) | 1194. | 890. | 766. | 513. | 271. | 69. | 0. | 7. | 148. | 465. | 807. | 1153. | 6283. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 81. | 251. | 187. | 37. | 0. | 0. | 0. | 564. |