| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.3 | 42.7 | 48.5 | 57.8 | 68.8 | 80.5 | 85.8 | 82.9 | 74.9 | 63.8 | 48.8 | 39.5 | 61.0 |
| Highest Mean Max. Temperature (F) | 47.1 | 50.2 | 58.7 | 66.2 | 75.2 | 85.6 | 88.5 | 87.4 | 80.2 | 70.5 | 54.1 | 48.6 | 63.6 |
| Year Highest Occurred | 1986 | 1970 | 1972 | 1989 | 1963 | 1974 | 1972 | 1962 | 1979 | 1963 | 1981 | 1980 | 1963 |
| Lowest Mean Max. Temperature (F) | 28.6 | 37.0 | 42.3 | 51.3 | 62.3 | 74.3 | 79.4 | 78.7 | 68.1 | 53.4 | 40.3 | 33.1 | 58.5 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1983 | 1980 | 1965 | 1986 | 1968 | 1986 | 1984 | 1972 | 1967 | 1982 |
| Mean Temperature (F) | 27.6 | 31.9 | 37.3 | 45.2 | 55.3 | 65.8 | 71.5 | 69.1 | 61.5 | 51.1 | 38.1 | 29.3 | 48.6 |
| Highest Mean Temperature (F) | 35.1 | 38.0 | 45.7 | 50.8 | 61.2 | 71.3 | 74.4 | 72.6 | 66.1 | 57.9 | 43.2 | 37.9 | 50.6 |
| Year Highest Occurred | 1981 | 1970 | 1972 | 1989 | 1963 | 1974 | 1972 | 1962 | 1979 | 1963 | 1966 | 1980 | 1963 |
| Lowest Mean Temperature (F) | 19.7 | 25.8 | 32.6 | 40.0 | 50.8 | 61.1 | 65.9 | 65.5 | 55.4 | 43.4 | 31.9 | 21.5 | 47.0 |
| Year Lowest Occurred | 1979 | 1966 | 1964 | 1970 | 1980 | 1965 | 1986 | 1987 | 1985 | 1984 | 1979 | 1990 | 1979 |
| Mean Min. Temperature (F) | 16.9 | 21.0 | 26.1 | 32.6 | 41.6 | 51.0 | 57.1 | 55.2 | 48.1 | 38.3 | 27.3 | 19.1 | 36.2 |
| Highest Mean Min. Temperature (F) | 23.7 | 26.1 | 32.7 | 37.8 | 47.1 | 56.9 | 60.2 | 58.2 | 52.7 | 45.2 | 32.4 | 27.1 | 38.6 |
| Year Highest Occurred | 1981 | 1976 | 1972 | 1981 | 1963 | 1974 | 1972 | 1970 | 1963 | 1963 | 1966 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | 10.2 | 14.6 | 20.9 | 27.5 | 38.3 | 47.2 | 52.1 | 51.5 | 41.2 | 33.0 | 22.2 | 8.6 | 33.6 |
| Year Lowest Occurred | 1963 | 1966 | 1969 | 1973 | 1990 | 1989 | 1987 | 1990 | 1985 | 1982 | 1979 | 1990 | 1988 |
| Mean Precipitation (in.) | 1.63 | 1.40 | 1.87 | 1.11 | 1.08 | 0.57 | 1.89 | 1.92 | 1.51 | 1.77 | 1.66 | 1.66 | 18.07 |
| Highest Precipitation (in.) | 5.04 | 4.31 | 4.34 | 3.91 | 3.07 | 2.17 | 5.90 | 4.36 | 4.29 | 7.42 | 4.56 | 4.97 | 26.36 |
| Year Highest Occurred | 1978 | 1969 | 1983 | 1986 | 1965 | 1988 | 1969 | 1963 | 1970 | 1972 | 1986 | 1966 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.19 | 0.13 | 0.00 | 0.00 | 0.00 | 0.01 | 9.78 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1989 | 1974 | 1982 | 1972 | 1978 | 1979 | 1964 | 1976 | 1989 | 1977 |
| Heating Degree Days (F) | 1159. | 927. | 859. | 594. | 313. | 64. | 5. | 14. | 145. | 438. | 807. | 1107. | 6432. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 12. | 88. | 207. | 141. | 40. | 7. | 0. | 0. | 495. |