| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.3 | 41.3 | 49.4 | 58.8 | 69.8 | 81.2 | 87.6 | 84.8 | 75.7 | 64.3 | 47.7 | 35.9 | 60.9 |
| Highest Mean Max. Temperature (F) | 45.3 | 46.6 | 59.1 | 66.1 | 76.7 | 87.9 | 92.2 | 89.2 | 82.7 | 70.7 | 54.4 | 47.8 | 63.6 |
| Year Highest Occurred | 1981 | 1972 | 1972 | 1969 | 1969 | 1977 | 1964 | 1969 | 1990 | 1963 | 1962 | 1980 | 1966 |
| Lowest Mean Max. Temperature (F) | 24.6 | 34.9 | 41.1 | 52.0 | 64.2 | 75.4 | 82.6 | 81.4 | 66.4 | 54.3 | 41.0 | 27.1 | 58.6 |
| Year Lowest Occurred | 1979 | 1964 | 1964 | 1983 | 1983 | 1967 | 1986 | 1963 | 1961 | 1969 | 1985 | 1978 | 1975 |
| Mean Temperature (F) | 21.9 | 28.3 | 36.4 | 44.2 | 53.9 | 62.9 | 69.5 | 67.3 | 58.4 | 47.8 | 34.5 | 24.1 | 45.8 |
| Highest Mean Temperature (F) | 30.3 | 34.9 | 42.7 | 48.6 | 58.3 | 68.2 | 71.9 | 72.0 | 64.5 | 53.8 | 40.7 | 35.1 | 48.3 |
| Year Highest Occurred | 1981 | 1963 | 1986 | 1990 | 1969 | 1977 | 1964 | 1983 | 1990 | 1963 | 1962 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 15.2 | 21.0 | 28.0 | 37.9 | 50.3 | 57.5 | 65.7 | 64.2 | 53.3 | 40.1 | 29.3 | 16.9 | 43.2 |
| Year Lowest Occurred | 1979 | 1964 | 1964 | 1973 | 1967 | 1967 | 1973 | 1976 | 1961 | 1969 | 1979 | 1972 | 1975 |
| Mean Min. Temperature (F) | 9.5 | 15.1 | 23.5 | 29.6 | 37.8 | 44.6 | 51.3 | 49.7 | 41.1 | 31.1 | 21.2 | 12.3 | 30.6 |
| Highest Mean Min. Temperature (F) | 19.6 | 24.1 | 29.4 | 34.1 | 40.8 | 50.5 | 55.2 | 56.5 | 46.3 | 36.8 | 26.9 | 22.4 | 34.1 |
| Year Highest Occurred | 1978 | 1986 | 1986 | 1977 | 1985 | 1988 | 1981 | 1983 | 1990 | 1972 | 1981 | 1980 | 1986 |
| Lowest Mean Min. Temperature (F) | 1.2 | 2.8 | 11.0 | 23.0 | 33.2 | 39.6 | 46.9 | 44.0 | 35.6 | 23.0 | 14.7 | 2.5 | 25.4 |
| Year Lowest Occurred | 1973 | 1966 | 1966 | 1973 | 1965 | 1967 | 1967 | 1975 | 1975 | 1976 | 1969 | 1972 | 1966 |
| Mean Precipitation (in.) | 1.44 | 1.10 | 1.40 | 1.52 | 1.50 | 1.25 | 1.31 | 1.31 | 1.67 | 1.70 | 1.19 | 1.46 | 16.85 |
| Highest Precipitation (in.) | 4.04 | 3.21 | 3.24 | 5.75 | 4.14 | 4.92 | 3.41 | 2.60 | 5.38 | 4.21 | 2.89 | 3.61 | 25.07 |
| Year Highest Occurred | 1975 | 1962 | 1985 | 1978 | 1983 | 1969 | 1973 | 1963 | 1961 | 1984 | 1986 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.15 | 0.14 | 0.04 | 0.24 | 0.02 | 0.05 | 0.10 | 0.26 | 0.08 | 0.02 | 0.00 | 0.17 | 8.28 |
| Year Lowest Occurred | 1961 | 1964 | 1966 | 1975 | 1974 | 1980 | 1979 | 1975 | 1979 | 1965 | 1966 | 1976 | 1966 |
| Heating Degree Days (F) | 1336. | 1028. | 887. | 624. | 344. | 115. | 6. | 41. | 216. | 533. | 915. | 1268. | 7313. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 52. | 145. | 113. | 18. | 0. | 0. | 0. | 328. |