| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 32.4 | 39.0 | 49.1 | 60.4 | 70.2 | 80.4 | 89.9 | 88.5 | 78.0 | 65.3 | 47.2 | 34.2 | 61.2 |
| Highest Mean Max. Temperature (F) | 42.8 | 50.5 | 58.2 | 70.7 | 80.9 | 89.0 | 94.5 | 95.1 | 85.2 | 75.1 | 53.7 | 43.1 | 63.7 |
| Year Highest Occurred | 1961 | 1963 | 1986 | 1987 | 1969 | 1961 | 1966 | 1969 | 1990 | 1988 | 1962 | 1976 | 1969 |
| Lowest Mean Max. Temperature (F) | 24.3 | 29.0 | 39.5 | 51.3 | 63.9 | 73.5 | 84.1 | 80.8 | 68.9 | 55.6 | 38.5 | 24.0 | 56.2 |
| Year Lowest Occurred | 1979 | 1985 | 1976 | 1975 | 1980 | 1964 | 1982 | 1968 | 1986 | 1984 | 1985 | 1985 | 1984 |
| Mean Temperature (F) | 21.7 | 27.2 | 36.3 | 45.5 | 53.9 | 62.3 | 70.0 | 68.4 | 58.7 | 47.7 | 35.1 | 23.6 | 45.9 |
| Highest Mean Temperature (F) | 30.3 | 38.5 | 43.3 | 50.1 | 61.2 | 69.0 | 73.5 | 73.7 | 65.2 | 53.7 | 39.2 | 30.9 | 48.4 |
| Year Highest Occurred | 1978 | 1963 | 1972 | 1987 | 1969 | 1961 | 1961 | 1969 | 1990 | 1963 | 1965 | 1977 | 1961 |
| Lowest Mean Temperature (F) | 12.3 | 14.6 | 26.2 | 39.5 | 48.5 | 57.9 | 66.4 | 64.5 | 53.4 | 42.2 | 28.8 | 13.4 | 42.0 |
| Year Lowest Occurred | 1989 | 1985 | 1976 | 1975 | 1975 | 1975 | 1986 | 1975 | 1965 | 1984 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 10.9 | 15.4 | 23.5 | 30.5 | 37.5 | 44.2 | 50.0 | 48.3 | 39.3 | 30.1 | 23.0 | 13.0 | 30.5 |
| Highest Mean Min. Temperature (F) | 23.4 | 26.4 | 29.6 | 36.3 | 41.4 | 48.9 | 53.9 | 55.5 | 46.6 | 36.5 | 28.5 | 22.7 | 33.5 |
| Year Highest Occurred | 1978 | 1963 | 1978 | 1965 | 1969 | 1961 | 1961 | 1961 | 1963 | 1972 | 1970 | 1977 | 1961 |
| Lowest Mean Min. Temperature (F) | -0.3 | 0.1 | 12.8 | 26.7 | 32.9 | 40.3 | 46.9 | 42.6 | 33.5 | 26.1 | 15.2 | -0.3 | 26.2 |
| Year Lowest Occurred | 1989 | 1985 | 1976 | 1982 | 1975 | 1978 | 1978 | 1974 | 1974 | 1976 | 1979 | 1990 | 1985 |
| Mean Precipitation (in.) | 1.18 | 1.03 | 1.14 | 1.22 | 1.73 | 1.47 | 1.15 | 0.93 | 1.14 | 1.12 | 1.22 | 1.15 | 14.48 |
| Highest Precipitation (in.) | 3.50 | 3.12 | 3.18 | 3.29 | 5.59 | 4.58 | 4.22 | 3.38 | 3.94 | 3.03 | 3.11 | 3.76 | 26.11 |
| Year Highest Occurred | 1980 | 1986 | 1982 | 1963 | 1980 | 1967 | 1984 | 1968 | 1973 | 1974 | 1965 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.19 | 0.08 | 0.08 | 0.07 | 0.05 | 0.15 | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 7.11 |
| Year Lowest Occurred | 1961 | 1970 | 1965 | 1987 | 1969 | 1986 | 1963 | 1985 | 1974 | 1978 | 1976 | 1976 | 1966 |
| Heating Degree Days (F) | 1342. | 1058. | 890. | 585. | 348. | 130. | 11. | 47. | 213. | 536. | 897. | 1283. | 7340. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 49. | 166. | 152. | 24. | 0. | 0. | 0. | 391. |