| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.8 | 47.0 | 54.8 | 63.6 | 72.7 | 83.0 | 89.5 | 87.3 | 79.6 | 68.4 | 53.3 | 42.6 | 65.2 |
| Highest Mean Max. Temperature (F) | 48.0 | 54.8 | 64.3 | 70.0 | 79.6 | 89.3 | 92.4 | 91.0 | 84.9 | 74.6 | 60.8 | 53.6 | 67.8 |
| Year Highest Occurred | 1961 | 1963 | 1972 | 1962 | 1984 | 1961 | 1963 | 1969 | 1979 | 1964 | 1962 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 29.2 | 38.1 | 48.2 | 55.1 | 67.0 | 76.2 | 86.2 | 81.4 | 72.7 | 59.8 | 45.8 | 33.9 | 62.8 |
| Year Lowest Occurred | 1989 | 1989 | 1964 | 1975 | 1965 | 1967 | 1965 | 1968 | 1965 | 1984 | 1979 | 1990 | 1984 |
| Mean Temperature (F) | 27.1 | 32.9 | 39.7 | 46.9 | 55.3 | 64.1 | 71.0 | 69.0 | 60.5 | 49.8 | 38.0 | 28.9 | 48.6 |
| Highest Mean Temperature (F) | 35.0 | 39.0 | 45.4 | 52.0 | 61.1 | 67.6 | 73.0 | 73.1 | 64.9 | 54.2 | 43.8 | 37.2 | 51.3 |
| Year Highest Occurred | 1969 | 1968 | 1974 | 1981 | 1984 | 1977 | 1981 | 1969 | 1983 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 14.2 | 24.8 | 32.9 | 40.8 | 51.5 | 59.6 | 68.6 | 65.3 | 55.5 | 44.4 | 30.8 | 19.6 | 46.8 |
| Year Lowest Occurred | 1989 | 1989 | 1964 | 1975 | 1975 | 1965 | 1987 | 1968 | 1965 | 1969 | 1979 | 1990 | 1975 |
| Mean Min. Temperature (F) | 13.3 | 18.8 | 24.5 | 30.2 | 37.7 | 45.2 | 52.3 | 50.6 | 41.4 | 31.1 | 22.6 | 15.1 | 31.9 |
| Highest Mean Min. Temperature (F) | 23.1 | 26.5 | 31.3 | 35.4 | 42.6 | 49.5 | 54.8 | 55.1 | 46.9 | 36.0 | 28.9 | 23.1 | 35.4 |
| Year Highest Occurred | 1980 | 1968 | 1978 | 1990 | 1984 | 1988 | 1981 | 1969 | 1983 | 1972 | 1965 | 1983 | 1983 |
| Lowest Mean Min. Temperature (F) | -0.9 | 8.8 | 16.2 | 24.5 | 33.3 | 41.9 | 48.3 | 46.0 | 36.2 | 27.4 | 15.8 | 5.2 | 28.8 |
| Year Lowest Occurred | 1989 | 1974 | 1962 | 1963 | 1975 | 1962 | 1962 | 1974 | 1961 | 1976 | 1979 | 1990 | 1962 |
| Mean Precipitation (in.) | 0.56 | 0.57 | 0.73 | 0.79 | 0.84 | 0.58 | 0.80 | 0.70 | 0.94 | 0.84 | 0.67 | 0.60 | 8.62 |
| Highest Precipitation (in.) | 1.79 | 2.23 | 1.61 | 2.09 | 2.54 | 2.72 | 2.40 | 1.96 | 2.92 | 3.16 | 2.09 | 2.62 | 12.80 |
| Year Highest Occurred | 1974 | 1962 | 1961 | 1973 | 1981 | 1984 | 1975 | 1963 | 1980 | 1981 | 1985 | 1966 | 1985 |
| Lowest Precipitation (in.) | 0.02 | 0.01 | 0.03 | 0.05 | 0.03 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.07 | 0.00 | 4.36 |
| Year Lowest Occurred | 1968 | 1970 | 1972 | 1982 | 1974 | 1990 | 1988 | 1976 | 1979 | 1973 | 1966 | 1986 | 1976 |
| Heating Degree Days (F) | 1175. | 899. | 784. | 543. | 306. | 88. | 0. | 12. | 160. | 471. | 810. | 1119. | 6367. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 61. | 186. | 136. | 25. | 0. | 0. | 0. | 408. |