| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 50.8 | 55.9 | 60.7 | 68.8 | 77.0 | 87.0 | 89.9 | 87.1 | 82.3 | 72.8 | 60.2 | 50.9 | 70.3 |
| Highest Mean Max. Temperature (F) | 59.7 | 63.5 | 73.7 | 79.9 | 85.1 | 94.9 | 95.2 | 90.6 | 87.9 | 80.0 | 66.4 | 58.4 | 74.1 |
| Year Highest Occurred | 1986 | 1967 | 1972 | 1989 | 1984 | 1974 | 1971 | 1985 | 1979 | 1964 | 1970 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 42.3 | 49.3 | 51.2 | 56.4 | 69.8 | 79.7 | 83.6 | 83.0 | 75.3 | 61.5 | 52.0 | 44.5 | 66.7 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1970 | 1965 | 1965 | 1969 | 1968 | 1986 | 1969 | 1969 | 1971 | 1970 |
| Mean Temperature (F) | 35.6 | 39.3 | 43.1 | 49.4 | 56.7 | 65.5 | 71.9 | 69.8 | 63.4 | 53.3 | 42.8 | 35.3 | 52.2 |
| Highest Mean Temperature (F) | 41.4 | 43.6 | 49.7 | 56.9 | 63.4 | 71.6 | 75.6 | 72.3 | 68.3 | 58.3 | 46.2 | 41.7 | 54.5 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1972 | 1982 | 1983 | 1988 | 1962 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 28.5 | 34.7 | 36.2 | 38.2 | 52.2 | 59.2 | 67.9 | 64.9 | 58.2 | 44.1 | 37.1 | 28.8 | 48.0 |
| Year Lowest Occurred | 1970 | 1966 | 1970 | 1970 | 1965 | 1965 | 1969 | 1968 | 1986 | 1969 | 1969 | 1990 | 1970 |
| Mean Min. Temperature (F) | 20.3 | 22.7 | 25.6 | 29.8 | 36.3 | 44.0 | 53.8 | 52.5 | 44.5 | 33.7 | 25.5 | 19.6 | 34.0 |
| Highest Mean Min. Temperature (F) | 29.8 | 28.9 | 33.3 | 34.0 | 41.6 | 51.6 | 57.6 | 57.5 | 51.9 | 40.7 | 30.4 | 27.4 | 36.8 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1986 | 1984 | 1988 | 1984 | 1986 | 1983 | 1972 | 1978 | 1983 | 1983 |
| Lowest Mean Min. Temperature (F) | 11.0 | 16.8 | 20.2 | 19.9 | 30.9 | 38.3 | 48.6 | 45.5 | 36.0 | 23.4 | 20.0 | 8.8 | 29.3 |
| Year Lowest Occurred | 1970 | 1964 | 1969 | 1970 | 1971 | 1970 | 1987 | 1978 | 1970 | 1970 | 1975 | 1968 | 1970 |
| Mean Precipitation (in.) | 1.31 | 1.51 | 1.54 | 0.61 | 0.53 | 0.29 | 2.42 | 2.57 | 1.34 | 1.05 | 1.30 | 1.35 | 15.82 |
| Highest Precipitation (in.) | 5.51 | 5.46 | 4.97 | 3.94 | 1.47 | 1.61 | 6.34 | 6.08 | 5.06 | 7.18 | 5.08 | 5.18 | 25.82 |
| Year Highest Occurred | 1980 | 1976 | 1983 | 1965 | 1972 | 1972 | 1970 | 1970 | 1983 | 1972 | 1985 | 1965 | 1965 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.27 | 0.00 | 0.00 | 0.00 | 0.00 | 8.70 |
| Year Lowest Occurred | 1972 | 1984 | 1972 | 1989 | 1988 | 1990 | 1963 | 1976 | 1973 | 1973 | 1989 | 1973 | 1989 |
| Heating Degree Days (F) | 911. | 720. | 679. | 472. | 268. | 89. | 5. | 7. | 102. | 370. | 666. | 921. | 5210. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 10. | 104. | 219. | 156. | 54. | 8. | 0. | 0. | 551. |