| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.5 | 45.5 | 53.3 | 62.5 | 73.2 | 85.0 | 92.5 | 89.8 | 80.0 | 67.1 | 51.6 | 40.2 | 64.9 |
| Highest Mean Max. Temperature (F) | 48.2 | 53.4 | 63.6 | 70.8 | 79.7 | 91.1 | 95.5 | 94.5 | 86.5 | 74.4 | 58.3 | 50.4 | 67.6 |
| Year Highest Occurred | 1990 | 1972 | 1972 | 1989 | 1969 | 1974 | 1989 | 1969 | 1979 | 1988 | 1962 | 1977 | 1990 |
| Lowest Mean Max. Temperature (F) | 26.8 | 37.8 | 46.4 | 54.0 | 67.0 | 78.5 | 88.4 | 83.3 | 73.4 | 58.5 | 44.2 | 29.8 | 62.0 |
| Year Lowest Occurred | 1973 | 1989 | 1973 | 1975 | 1975 | 1967 | 1987 | 1968 | 1986 | 1984 | 1978 | 1972 | 1984 |
| Mean Temperature (F) | 25.5 | 32.0 | 38.8 | 46.4 | 55.7 | 65.8 | 73.9 | 71.9 | 61.9 | 49.8 | 37.3 | 27.1 | 48.8 |
| Highest Mean Temperature (F) | 34.5 | 39.5 | 45.4 | 52.9 | 61.2 | 70.8 | 76.0 | 77.1 | 67.0 | 56.3 | 42.3 | 35.8 | 50.9 |
| Year Highest Occurred | 1986 | 1968 | 1986 | 1989 | 1969 | 1961 | 1981 | 1969 | 1990 | 1963 | 1965 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 14.3 | 24.5 | 32.3 | 39.5 | 49.9 | 61.8 | 70.8 | 67.9 | 56.3 | 44.1 | 31.6 | 15.8 | 46.5 |
| Year Lowest Occurred | 1973 | 1989 | 1976 | 1975 | 1975 | 1965 | 1987 | 1968 | 1965 | 1984 | 1964 | 1972 | 1975 |
| Mean Min. Temperature (F) | 12.5 | 18.5 | 24.2 | 30.4 | 38.1 | 46.6 | 55.3 | 54.0 | 43.8 | 32.5 | 22.9 | 14.0 | 32.7 |
| Highest Mean Min. Temperature (F) | 23.4 | 27.1 | 31.6 | 35.3 | 42.7 | 50.9 | 58.4 | 59.6 | 48.9 | 39.1 | 28.3 | 22.8 | 35.2 |
| Year Highest Occurred | 1978 | 1968 | 1978 | 1990 | 1969 | 1961 | 1981 | 1969 | 1990 | 1963 | 1965 | 1964 | 1981 |
| Lowest Mean Min. Temperature (F) | 1.7 | 10.6 | 16.0 | 25.0 | 32.8 | 43.2 | 50.4 | 49.3 | 38.6 | 28.3 | 16.4 | 1.7 | 30.2 |
| Year Lowest Occurred | 1989 | 1964 | 1976 | 1975 | 1975 | 1979 | 1962 | 1976 | 1965 | 1975 | 1975 | 1972 | 1975 |
| Mean Precipitation (in.) | 0.63 | 0.71 | 1.17 | 1.03 | 0.74 | 0.48 | 0.78 | 0.94 | 0.96 | 0.84 | 0.78 | 0.70 | 9.76 |
| Highest Precipitation (in.) | 1.86 | 1.67 | 2.00 | 2.28 | 2.26 | 2.43 | 1.78 | 3.75 | 3.64 | 2.61 | 2.21 | 2.45 | 13.91 |
| Year Highest Occurred | 1980 | 1976 | 1981 | 1973 | 1981 | 1967 | 1985 | 1984 | 1982 | 1972 | 1978 | 1966 | 1984 |
| Lowest Precipitation (in.) | 0.05 | 0.01 | 0.00 | 0.16 | 0.00 | 0.00 | 0.04 | 0.09 | 0.00 | 0.03 | 0.11 | 0.00 | 5.60 |
| Year Lowest Occurred | 1972 | 1972 | 1972 | 1989 | 1963 | 1979 | 1972 | 1985 | 1979 | 1965 | 1989 | 1989 | 1989 |
| Heating Degree Days (F) | 1225. | 924. | 812. | 558. | 297. | 67. | 0. | 8. | 143. | 471. | 831. | 1175. | 6511. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 91. | 276. | 221. | 50. | 0. | 0. | 0. | 647. |