| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 43.5 | 46.0 | 50.9 | 60.5 | 69.2 | 79.3 | 85.7 | 83.5 | 75.7 | 66.2 | 52.4 | 44.7 | 63.1 |
| Highest Mean Max. Temperature (F) | 56.3 | 59.7 | 60.5 | 67.3 | 76.3 | 86.2 | 90.7 | 88.8 | 80.6 | 72.5 | 64.0 | 54.7 | 66.6 |
| Year Highest Occurred | 1965 | 1970 | 1966 | 1963 | 1963 | 1971 | 1964 | 1962 | 1977 | 1967 | 1965 | 1965 | 1966 |
| Lowest Mean Max. Temperature (F) | 30.2 | 34.4 | 39.6 | 49.5 | 62.4 | 72.0 | 81.9 | 79.8 | 68.3 | 53.1 | 42.8 | 29.7 | 59.1 |
| Year Lowest Occurred | 1979 | 1989 | 1970 | 1983 | 1983 | 1969 | 1967 | 1965 | 1965 | 1969 | 1979 | 1983 | 1983 |
| Mean Temperature (F) | 29.1 | 31.9 | 36.8 | 45.9 | 54.5 | 64.2 | 70.8 | 68.8 | 60.7 | 50.6 | 38.2 | 30.5 | 48.5 |
| Highest Mean Temperature (F) | 41.0 | 39.0 | 45.4 | 53.0 | 59.1 | 69.5 | 73.4 | 71.6 | 65.7 | 55.9 | 44.4 | 41.0 | 51.2 |
| Year Highest Occurred | 1986 | 1970 | 1986 | 1981 | 1974 | 1980 | 1978 | 1988 | 1990 | 1963 | 1965 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 17.2 | 23.4 | 25.7 | 38.4 | 49.8 | 57.5 | 66.8 | 64.3 | 53.7 | 38.3 | 28.2 | 18.5 | 46.1 |
| Year Lowest Occurred | 1963 | 1989 | 1965 | 1983 | 1983 | 1969 | 1967 | 1967 | 1965 | 1969 | 1972 | 1983 | 1961 |
| Mean Min. Temperature (F) | 14.7 | 17.8 | 22.6 | 31.1 | 39.9 | 49.1 | 55.9 | 54.0 | 45.6 | 35.0 | 23.9 | 16.3 | 33.8 |
| Highest Mean Min. Temperature (F) | 27.5 | 24.3 | 32.0 | 38.9 | 44.2 | 54.7 | 59.1 | 58.6 | 52.2 | 40.4 | 31.0 | 27.8 | 38.3 |
| Year Highest Occurred | 1986 | 1983 | 1986 | 1981 | 1987 | 1988 | 1977 | 1983 | 1990 | 1975 | 1990 | 1980 | 1981 |
| Lowest Mean Min. Temperature (F) | -0.5 | 8.0 | 10.0 | 24.3 | 34.2 | 42.9 | 51.2 | 47.5 | 39.1 | 23.5 | 12.9 | 5.5 | 29.8 |
| Year Lowest Occurred | 1963 | 1964 | 1965 | 1968 | 1967 | 1969 | 1973 | 1967 | 1965 | 1969 | 1972 | 1972 | 1967 |
| Mean Precipitation (in.) | 0.28 | 0.34 | 0.88 | 1.33 | 2.44 | 2.04 | 2.23 | 1.82 | 1.25 | 0.78 | 0.73 | 0.36 | 14.48 |
| Highest Precipitation (in.) | 1.40 | 1.06 | 3.97 | 2.51 | 6.62 | 5.67 | 5.68 | 5.22 | 4.42 | 4.17 | 2.74 | 1.74 | 21.62 |
| Year Highest Occurred | 1990 | 1971 | 1990 | 1986 | 1973 | 1965 | 1976 | 1963 | 1985 | 1969 | 1983 | 1982 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.12 | 0.00 | 0.00 | 0.00 | 0.08 | 0.35 | 0.00 | 0.00 | 0.00 | 0.00 | 7.68 |
| Year Lowest Occurred | 1983 | 1973 | 1966 | 1963 | 1974 | 1980 | 1963 | 1962 | 1964 | 1988 | 1989 | 1980 | 1966 |
| Heating Degree Days (F) | 1113. | 927. | 874. | 573. | 329. | 106. | 9. | 14. | 177. | 454. | 804. | 1070. | 6450. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 82. | 188. | 132. | 48. | 7. | 0. | 0. | 457. |