| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 46.1 | 51.1 | 55.9 | 61.3 | 68.3 | 75.5 | 82.3 | 82.7 | 77.1 | 65.5 | 52.3 | 45.6 | 63.6 |
| Highest Mean Max. Temperature (F) | 51.3 | 57.9 | 61.0 | 66.5 | 73.6 | 81.6 | 89.9 | 92.1 | 85.7 | 74.1 | 59.5 | 51.7 | 65.7 |
| Year Highest Occurred | 1961 | 1968 | 1965 | 1987 | 1969 | 1961 | 1985 | 1967 | 1974 | 1987 | 1962 | 1962 | 1967 |
| Lowest Mean Max. Temperature (F) | 38.7 | 42.9 | 51.0 | 56.9 | 60.2 | 68.5 | 75.8 | 77.4 | 70.3 | 60.6 | 44.6 | 38.6 | 62.3 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1972 | 1981 | 1971 | 1983 | 1976 | 1978 | 1984 | 1985 | 1983 | 1982 |
| Mean Temperature (F) | 39.5 | 43.0 | 46.0 | 49.6 | 55.2 | 61.2 | 65.6 | 65.8 | 61.7 | 53.3 | 44.8 | 39.5 | 52.1 |
| Highest Mean Temperature (F) | 43.8 | 48.0 | 50.5 | 53.9 | 58.9 | 65.1 | 69.9 | 70.9 | 66.3 | 58.5 | 48.2 | 43.8 | 53.8 |
| Year Highest Occurred | 1961 | 1963 | 1986 | 1989 | 1969 | 1986 | 1985 | 1967 | 1974 | 1987 | 1983 | 1966 | 1987 |
| Lowest Mean Temperature (F) | 32.8 | 36.1 | 42.3 | 45.2 | 51.2 | 56.3 | 62.6 | 62.5 | 58.8 | 50.5 | 38.1 | 34.2 | 50.6 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1967 | 1962 | 1971 | 1963 | 1980 | 1978 | 1962 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 32.9 | 34.7 | 36.1 | 37.9 | 42.0 | 46.8 | 48.9 | 48.8 | 46.2 | 41.1 | 37.1 | 33.5 | 40.5 |
| Highest Mean Min. Temperature (F) | 38.4 | 40.7 | 41.8 | 41.8 | 46.0 | 51.4 | 52.3 | 52.5 | 50.3 | 45.8 | 43.0 | 38.5 | 42.9 |
| Year Highest Occurred | 1983 | 1983 | 1983 | 1979 | 1987 | 1969 | 1990 | 1990 | 1990 | 1988 | 1983 | 1966 | 1983 |
| Lowest Mean Min. Temperature (F) | 25.5 | 29.2 | 32.4 | 33.0 | 38.8 | 42.9 | 46.0 | 44.2 | 40.9 | 37.2 | 30.3 | 26.4 | 38.0 |
| Year Lowest Occurred | 1963 | 1989 | 1985 | 1967 | 1965 | 1965 | 1962 | 1980 | 1962 | 1962 | 1978 | 1985 | 1962 |
| Mean Precipitation (in.) | 8.08 | 6.00 | 5.64 | 2.71 | 1.94 | 1.22 | 0.50 | 0.70 | 1.55 | 3.28 | 7.65 | 9.10 | 48.37 |
| Highest Precipitation (in.) | 17.17 | 15.02 | 11.42 | 6.83 | 4.27 | 3.78 | 2.05 | 3.51 | 4.01 | 7.43 | 21.24 | 15.90 | 64.92 |
| Year Highest Occurred | 1970 | 1961 | 1961 | 1982 | 1978 | 1981 | 1987 | 1968 | 1978 | 1975 | 1973 | 1964 | 1968 |
| Lowest Precipitation (in.) | 0.26 | 1.10 | 0.61 | 0.47 | 0.21 | 0.10 | 0.00 | 0.00 | 0.00 | 0.13 | 1.55 | 1.83 | 26.16 |
| Year Lowest Occurred | 1985 | 1964 | 1965 | 1981 | 1982 | 1987 | 1984 | 1986 | 1975 | 1988 | 1976 | 1976 | 1985 |
| Heating Degree Days (F) | 791. | 616. | 589. | 462. | 304. | 140. | 46. | 65. | 130. | 363. | 606. | 791. | 4903. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 26. | 64. | 89. | 31. | 0. | 0. | 0. | 210. |