| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.3 | 43.5 | 49.5 | 59.5 | 69.9 | 81.0 | 85.4 | 82.4 | 74.8 | 63.6 | 49.0 | 40.3 | 61.5 |
| Highest Mean Max. Temperature (F) | 49.8 | 49.9 | 59.6 | 68.0 | 77.7 | 87.0 | 91.1 | 87.9 | 81.4 | 71.1 | 54.6 | 49.9 | 64.2 |
| Year Highest Occurred | 1986 | 1981 | 1972 | 1989 | 1984 | 1961 | 1963 | 1962 | 1979 | 1964 | 1967 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 29.9 | 36.2 | 40.2 | 52.3 | 65.2 | 74.5 | 81.7 | 77.3 | 69.0 | 55.7 | 41.2 | 33.6 | 59.3 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1983 | 1965 | 1967 | 1975 | 1968 | 1965 | 1984 | 1972 | 1990 | 1973 |
| Mean Temperature (F) | 29.6 | 33.3 | 38.3 | 46.6 | 56.3 | 66.8 | 72.0 | 69.5 | 62.4 | 51.8 | 39.1 | 30.8 | 49.7 |
| Highest Mean Temperature (F) | 38.7 | 38.4 | 47.1 | 53.9 | 62.1 | 72.7 | 75.7 | 72.9 | 67.6 | 57.7 | 44.3 | 39.0 | 51.3 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1963 | 1962 | 1979 | 1964 | 1967 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 22.3 | 26.3 | 32.3 | 39.6 | 51.8 | 62.2 | 69.5 | 65.7 | 57.6 | 44.4 | 32.9 | 22.7 | 47.7 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1983 | 1965 | 1967 | 1987 | 1968 | 1985 | 1984 | 1972 | 1990 | 1982 |
| Mean Min. Temperature (F) | 19.9 | 23.1 | 27.1 | 33.7 | 42.6 | 52.5 | 58.4 | 56.6 | 49.9 | 39.9 | 29.1 | 21.3 | 37.8 |
| Highest Mean Min. Temperature (F) | 27.5 | 28.5 | 34.5 | 39.9 | 47.8 | 59.3 | 60.8 | 60.4 | 53.7 | 46.6 | 34.4 | 28.1 | 39.7 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1979 | 1966 | 1974 | 1979 | 1969 | 1979 | 1988 | 1965 | 1980 | 1978 |
| Lowest Mean Min. Temperature (F) | 14.1 | 16.3 | 21.5 | 26.8 | 38.2 | 47.5 | 55.5 | 54.1 | 44.6 | 31.4 | 23.2 | 11.7 | 35.3 |
| Year Lowest Occurred | 1963 | 1966 | 1964 | 1983 | 1983 | 1965 | 1986 | 1968 | 1985 | 1982 | 1979 | 1990 | 1982 |
| Mean Precipitation (in.) | 0.86 | 0.91 | 1.09 | 0.69 | 0.51 | 0.36 | 1.47 | 1.67 | 1.14 | 1.23 | 1.18 | 1.12 | 12.23 |
| Highest Precipitation (in.) | 2.33 | 2.52 | 3.04 | 2.65 | 2.29 | 1.82 | 4.35 | 4.94 | 2.72 | 9.01 | 3.58 | 3.21 | 20.25 |
| Year Highest Occurred | 1978 | 1975 | 1983 | 1985 | 1981 | 1988 | 1976 | 1982 | 1990 | 1972 | 1978 | 1984 | 1982 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.05 | 0.01 | 0.04 | 0.00 | 0.00 | 0.00 | 5.91 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1989 | 1984 | 1986 | 1979 | 1978 | 1989 | 1964 | 1989 | 1989 | 1971 |
| Heating Degree Days (F) | 1097. | 888. | 828. | 552. | 280. | 57. | 0. | 8. | 119. | 420. | 777. | 1060. | 6086. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 10. | 111. | 219. | 147. | 41. | 11. | 0. | 0. | 539. |