| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.0 | 46.1 | 54.2 | 63.0 | 74.1 | 85.7 | 94.3 | 92.1 | 82.2 | 69.1 | 52.4 | 40.5 | 66.1 |
| Highest Mean Max. Temperature (F) | 47.2 | 53.8 | 64.5 | 70.6 | 82.3 | 92.2 | 97.4 | 96.3 | 89.7 | 75.7 | 58.4 | 50.7 | 68.8 |
| Year Highest Occurred | 1969 | 1970 | 1972 | 1987 | 1969 | 1974 | 1989 | 1969 | 1979 | 1988 | 1962 | 1980 | 1977 |
| Lowest Mean Max. Temperature (F) | 28.3 | 36.5 | 46.5 | 54.3 | 66.7 | 77.4 | 90.4 | 83.9 | 72.8 | 61.0 | 45.6 | 30.9 | 63.3 |
| Year Lowest Occurred | 1984 | 1989 | 1964 | 1975 | 1965 | 1967 | 1965 | 1968 | 1965 | 1984 | 1972 | 1985 | 1984 |
| Mean Temperature (F) | 28.5 | 34.9 | 41.9 | 49.5 | 59.5 | 69.9 | 78.7 | 76.4 | 66.6 | 54.5 | 40.6 | 30.0 | 52.6 |
| Highest Mean Temperature (F) | 38.0 | 41.3 | 48.7 | 55.4 | 64.9 | 75.4 | 81.6 | 80.3 | 72.7 | 61.6 | 46.5 | 38.7 | 55.1 |
| Year Highest Occurred | 1969 | 1986 | 1986 | 1987 | 1969 | 1961 | 1981 | 1969 | 1979 | 1988 | 1965 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 20.1 | 26.4 | 34.8 | 43.0 | 53.6 | 63.5 | 75.3 | 69.5 | 58.7 | 47.9 | 35.0 | 20.9 | 50.3 |
| Year Lowest Occurred | 1984 | 1989 | 1964 | 1975 | 1965 | 1965 | 1965 | 1968 | 1965 | 1969 | 1961 | 1990 | 1984 |
| Mean Min. Temperature (F) | 17.8 | 23.6 | 29.6 | 36.0 | 44.8 | 54.0 | 63.1 | 60.6 | 50.9 | 39.8 | 28.8 | 19.5 | 39.0 |
| Highest Mean Min. Temperature (F) | 28.7 | 31.0 | 36.5 | 42.1 | 49.7 | 59.0 | 66.6 | 64.2 | 56.4 | 47.4 | 36.2 | 27.7 | 41.6 |
| Year Highest Occurred | 1969 | 1986 | 1978 | 1990 | 1966 | 1961 | 1964 | 1969 | 1990 | 1988 | 1965 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 8.6 | 14.1 | 23.0 | 30.0 | 38.5 | 49.3 | 60.1 | 55.1 | 43.6 | 34.4 | 22.9 | 9.7 | 37.1 |
| Year Lowest Occurred | 1989 | 1984 | 1964 | 1970 | 1975 | 1965 | 1965 | 1968 | 1970 | 1970 | 1979 | 1990 | 1984 |
| Mean Precipitation (in.) | 1.03 | 1.03 | 1.50 | 1.41 | 1.39 | 0.78 | 0.52 | 0.86 | 1.08 | 1.33 | 1.25 | 1.23 | 13.41 |
| Highest Precipitation (in.) | 2.60 | 3.39 | 3.39 | 3.04 | 4.25 | 2.54 | 2.44 | 3.35 | 5.01 | 4.07 | 3.10 | 3.00 | 20.23 |
| Year Highest Occurred | 1978 | 1962 | 1980 | 1968 | 1975 | 1984 | 1984 | 1968 | 1982 | 1981 | 1983 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.21 | 0.10 | 0.06 | 0.24 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.06 | 0.05 | 7.11 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1977 | 1969 | 1980 | 1963 | 1985 | 1979 | 1965 | 1962 | 1976 | 1989 |
| Heating Degree Days (F) | 1132. | 843. | 716. | 465. | 208. | 44. | 0. | 0. | 83. | 341. | 732. | 1085. | 5649. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 37. | 191. | 425. | 353. | 131. | 15. | 0. | 0. | 1152. |