| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.9 | 43.5 | 51.0 | 60.2 | 70.1 | 80.4 | 88.8 | 86.4 | 76.4 | 63.7 | 49.0 | 38.6 | 62.2 |
| Highest Mean Max. Temperature (F) | 45.0 | 50.3 | 59.1 | 70.9 | 75.7 | 89.2 | 94.8 | 90.9 | 84.7 | 75.2 | 54.2 | 45.9 | 65.6 |
| Year Highest Occurred | 1969 | 1963 | 1972 | 1987 | 1969 | 1988 | 1988 | 1986 | 1990 | 1988 | 1965 | 1981 | 1988 |
| Lowest Mean Max. Temperature (F) | 28.9 | 34.1 | 43.9 | 51.0 | 63.3 | 73.7 | 84.6 | 78.4 | 67.9 | 55.9 | 43.3 | 30.7 | 59.5 |
| Year Lowest Occurred | 1984 | 1984 | 1964 | 1975 | 1965 | 1967 | 1973 | 1968 | 1965 | 1969 | 1979 | 1985 | 1984 |
| Mean Temperature (F) | 28.7 | 33.9 | 40.7 | 48.8 | 58.1 | 67.8 | 76.0 | 73.6 | 63.7 | 51.8 | 39.4 | 29.8 | 51.0 |
| Highest Mean Temperature (F) | 34.8 | 40.8 | 47.3 | 57.6 | 63.3 | 75.0 | 81.1 | 77.3 | 70.1 | 60.2 | 45.2 | 37.1 | 53.3 |
| Year Highest Occurred | 1969 | 1963 | 1986 | 1987 | 1969 | 1988 | 1988 | 1967 | 1990 | 1988 | 1965 | 1977 | 1988 |
| Lowest Mean Temperature (F) | 21.0 | 24.2 | 33.9 | 41.4 | 53.2 | 62.6 | 72.6 | 67.1 | 57.5 | 45.3 | 34.1 | 20.8 | 48.6 |
| Year Lowest Occurred | 1984 | 1984 | 1964 | 1975 | 1977 | 1963 | 1982 | 1968 | 1965 | 1969 | 1979 | 1990 | 1984 |
| Mean Min. Temperature (F) | 19.5 | 24.3 | 30.3 | 37.3 | 46.2 | 55.2 | 63.1 | 60.8 | 50.9 | 39.9 | 29.7 | 21.0 | 39.9 |
| Highest Mean Min. Temperature (F) | 27.2 | 31.3 | 37.2 | 44.2 | 51.3 | 61.6 | 67.5 | 65.8 | 55.7 | 47.2 | 36.1 | 28.6 | 41.9 |
| Year Highest Occurred | 1978 | 1963 | 1978 | 1987 | 1966 | 1961 | 1961 | 1967 | 1979 | 1963 | 1965 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 10.7 | 14.3 | 23.8 | 31.8 | 41.6 | 51.1 | 58.4 | 55.7 | 44.5 | 34.1 | 24.9 | 9.3 | 37.7 |
| Year Lowest Occurred | 1973 | 1984 | 1976 | 1975 | 1975 | 1969 | 1986 | 1968 | 1970 | 1970 | 1979 | 1990 | 1984 |
| Mean Precipitation (in.) | 1.07 | 1.33 | 2.32 | 2.49 | 1.91 | 1.11 | 0.92 | 0.94 | 1.42 | 1.81 | 1.69 | 1.48 | 18.49 |
| Highest Precipitation (in.) | 3.13 | 3.12 | 4.29 | 5.99 | 3.83 | 3.46 | 3.47 | 4.06 | 8.06 | 5.29 | 4.91 | 3.62 | 28.32 |
| Year Highest Occurred | 1980 | 1969 | 1975 | 1986 | 1988 | 1964 | 1984 | 1983 | 1982 | 1981 | 1983 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.10 | 0.37 | 0.69 | 0.05 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.56 | 0.14 | 10.62 |
| Year Lowest Occurred | 1961 | 1988 | 1965 | 1987 | 1969 | 1961 | 1978 | 1985 | 1979 | 1978 | 1971 | 1962 | 1966 |
| Heating Degree Days (F) | 1125. | 871. | 753. | 493. | 234. | 68. | 0. | 5. | 129. | 417. | 768. | 1091. | 5954. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 7. | 20. | 152. | 341. | 272. | 90. | 8. | 0. | 0. | 890. |