| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.8 | 46.1 | 51.5 | 60.0 | 70.4 | 81.6 | 88.2 | 85.5 | 77.3 | 66.0 | 52.2 | 42.7 | 63.6 |
| Highest Mean Max. Temperature (F) | 51.5 | 51.9 | 61.9 | 68.6 | 77.4 | 87.2 | 92.8 | 90.3 | 82.5 | 75.0 | 58.4 | 51.3 | 66.0 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1969 | 1974 | 1989 | 1969 | 1979 | 1988 | 1962 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 33.3 | 40.1 | 44.4 | 49.5 | 63.8 | 75.7 | 84.3 | 80.2 | 71.1 | 56.4 | 43.9 | 35.3 | 59.9 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1980 | 1967 | 1982 | 1968 | 1986 | 1984 | 1972 | 1967 | 1982 |
| Mean Temperature (F) | 27.6 | 32.2 | 37.3 | 44.5 | 53.4 | 62.9 | 69.8 | 67.5 | 59.1 | 48.4 | 37.1 | 28.7 | 47.4 |
| Highest Mean Temperature (F) | 36.8 | 38.2 | 45.1 | 51.3 | 58.9 | 68.9 | 75.3 | 72.0 | 63.7 | 55.0 | 41.4 | 36.1 | 49.9 |
| Year Highest Occurred | 1986 | 1968 | 1989 | 1989 | 1969 | 1968 | 1968 | 1969 | 1990 | 1988 | 1965 | 1980 | 1986 |
| Lowest Mean Temperature (F) | 20.7 | 25.7 | 31.1 | 35.7 | 48.5 | 57.9 | 66.0 | 63.8 | 52.8 | 42.6 | 32.5 | 21.9 | 44.6 |
| Year Lowest Occurred | 1973 | 1964 | 1964 | 1975 | 1975 | 1965 | 1962 | 1968 | 1965 | 1969 | 1964 | 1990 | 1975 |
| Mean Min. Temperature (F) | 13.4 | 18.3 | 23.0 | 28.9 | 36.3 | 44.2 | 51.4 | 49.4 | 40.9 | 30.7 | 21.8 | 14.7 | 31.1 |
| Highest Mean Min. Temperature (F) | 22.9 | 25.1 | 30.5 | 33.9 | 40.3 | 52.9 | 62.4 | 53.7 | 46.9 | 35.9 | 26.4 | 20.9 | 33.9 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1989 | 1969 | 1968 | 1968 | 1969 | 1990 | 1987 | 1965 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 5.2 | 9.3 | 16.0 | 21.9 | 30.5 | 38.9 | 45.8 | 44.3 | 34.4 | 26.1 | 15.9 | 6.9 | 28.0 |
| Year Lowest Occurred | 1973 | 1964 | 1964 | 1975 | 1975 | 1963 | 1962 | 1962 | 1965 | 1961 | 1964 | 1990 | 1975 |
| Mean Precipitation (in.) | 0.73 | 0.80 | 1.12 | 1.18 | 1.04 | 0.66 | 1.12 | 1.51 | 1.17 | 0.84 | 0.88 | 0.89 | 11.94 |
| Highest Precipitation (in.) | 2.55 | 2.52 | 2.56 | 2.54 | 2.31 | 2.34 | 2.87 | 3.42 | 3.74 | 3.18 | 2.15 | 2.32 | 16.99 |
| Year Highest Occurred | 1978 | 1962 | 1981 | 1988 | 1981 | 1967 | 1970 | 1973 | 1982 | 1972 | 1983 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.02 | 0.00 | 0.00 | 0.15 | 0.00 | 0.00 | 0.09 | 0.07 | 0.00 | 0.00 | 0.13 | 0.00 | 6.88 |
| Year Lowest Occurred | 1987 | 1961 | 1972 | 1982 | 1974 | 1979 | 1979 | 1974 | 1979 | 1988 | 1962 | 1989 | 1989 |
| Heating Degree Days (F) | 1159. | 918. | 859. | 615. | 364. | 123. | 14. | 27. | 196. | 515. | 837. | 1125. | 6752. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 60. | 162. | 105. | 19. | 0. | 0. | 0. | 346. |