| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 42.2 | 45.2 | 48.8 | 56.2 | 66.1 | 77.1 | 87.6 | 85.3 | 76.0 | 64.7 | 50.1 | 42.5 | 61.8 |
| Highest Mean Max. Temperature (F) | 49.8 | 53.5 | 58.4 | 65.5 | 74.3 | 85.0 | 91.1 | 90.5 | 82.8 | 73.9 | 57.4 | 51.7 | 64.5 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1966 | 1974 | 1988 | 1981 | 1979 | 1965 | 1976 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 35.0 | 38.5 | 42.9 | 44.8 | 56.6 | 67.8 | 83.9 | 77.0 | 68.9 | 53.5 | 43.4 | 35.5 | 59.1 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1967 | 1977 | 1963 | 1987 | 1968 | 1965 | 1984 | 1985 | 1971 | 1982 |
| Mean Temperature (F) | 31.0 | 33.8 | 36.9 | 43.1 | 51.9 | 61.5 | 70.6 | 69.0 | 60.5 | 50.5 | 38.6 | 31.6 | 48.3 |
| Highest Mean Temperature (F) | 39.3 | 41.6 | 44.2 | 50.7 | 58.7 | 68.1 | 73.4 | 72.9 | 65.6 | 58.0 | 43.4 | 39.1 | 50.6 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1966 | 1961 | 1988 | 1986 | 1979 | 1988 | 1976 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 25.2 | 27.9 | 31.3 | 34.3 | 44.2 | 54.4 | 66.9 | 62.4 | 53.8 | 41.9 | 32.9 | 24.6 | 46.1 |
| Year Lowest Occurred | 1979 | 1966 | 1977 | 1967 | 1977 | 1963 | 1983 | 1968 | 1965 | 1984 | 1985 | 1971 | 1982 |
| Mean Min. Temperature (F) | 19.7 | 22.4 | 25.0 | 29.9 | 37.7 | 45.8 | 53.6 | 52.6 | 44.9 | 36.2 | 27.0 | 20.6 | 34.6 |
| Highest Mean Min. Temperature (F) | 28.8 | 29.7 | 31.4 | 37.2 | 43.1 | 51.6 | 56.5 | 56.1 | 49.9 | 42.9 | 31.3 | 26.9 | 36.6 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1966 | 1961 | 1968 | 1970 | 1963 | 1988 | 1981 | 1981 | 1981 |
| Lowest Mean Min. Temperature (F) | 15.2 | 15.7 | 19.0 | 23.4 | 31.8 | 41.0 | 49.3 | 46.7 | 38.6 | 29.7 | 22.3 | 12.8 | 32.7 |
| Year Lowest Occurred | 1963 | 1964 | 1977 | 1975 | 1977 | 1963 | 1983 | 1976 | 1986 | 1969 | 1985 | 1990 | 1971 |
| Mean Precipitation (in.) | 1.19 | 1.20 | 1.79 | 1.67 | 1.68 | 1.27 | 0.59 | 0.81 | 0.80 | 1.03 | 1.23 | 1.21 | 14.47 |
| Highest Precipitation (in.) | 3.49 | 2.95 | 4.19 | 5.96 | 5.85 | 3.55 | 2.08 | 2.45 | 3.45 | 2.48 | 3.73 | 4.19 | 22.37 |
| Year Highest Occurred | 1983 | 1978 | 1973 | 1978 | 1987 | 1964 | 1984 | 1965 | 1976 | 1984 | 1985 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.12 | 0.07 | 0.07 | 0.03 | 0.20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.13 | 0.01 | 5.98 |
| Year Lowest Occurred | 1986 | 1970 | 1966 | 1962 | 1974 | 1987 | 1981 | 1987 | 1987 | 1977 | 1986 | 1962 | 1986 |
| Heating Degree Days (F) | 1054. | 874. | 871. | 657. | 412. | 166. | 6. | 37. | 184. | 463. | 792. | 1035. | 6551. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 6. | 61. | 179. | 161. | 49. | 14. | 0. | 0. | 470. |