| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.1 | 42.9 | 52.8 | 62.4 | 71.7 | 81.2 | 91.0 | 89.2 | 78.5 | 64.8 | 47.3 | 36.3 | 62.8 |
| Highest Mean Max. Temperature (F) | 41.9 | 52.8 | 61.4 | 75.0 | 79.3 | 90.3 | 96.1 | 98.2 | 87.2 | 75.5 | 54.2 | 41.6 | 66.2 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1987 | 1973 | 1986 | 1985 | 1971 | 1990 | 1988 | 1976 | 1973 | 1987 |
| Lowest Mean Max. Temperature (F) | 25.2 | 32.4 | 47.2 | 52.8 | 63.3 | 75.0 | 85.4 | 79.2 | 70.8 | 58.5 | 36.3 | 23.8 | 59.9 |
| Year Lowest Occurred | 1979 | 1989 | 1964 | 1967 | 1977 | 1980 | 1983 | 1968 | 1986 | 1969 | 1985 | 1985 | 1985 |
| Mean Temperature (F) | 26.4 | 33.3 | 40.5 | 48.0 | 56.8 | 64.9 | 73.0 | 71.4 | 61.3 | 49.8 | 36.9 | 27.6 | 49.2 |
| Highest Mean Temperature (F) | 33.4 | 41.9 | 47.6 | 55.7 | 63.6 | 70.5 | 77.4 | 79.5 | 67.4 | 57.7 | 41.0 | 34.5 | 51.4 |
| Year Highest Occurred | 1967 | 1963 | 1986 | 1987 | 1973 | 1974 | 1985 | 1971 | 1990 | 1988 | 1976 | 1977 | 1987 |
| Lowest Mean Temperature (F) | 14.9 | 22.0 | 36.0 | 41.5 | 51.2 | 60.1 | 69.1 | 64.5 | 55.2 | 44.4 | 26.4 | 14.2 | 46.2 |
| Year Lowest Occurred | 1979 | 1989 | 1971 | 1967 | 1977 | 1980 | 1963 | 1968 | 1965 | 1970 | 1985 | 1985 | 1985 |
| Mean Min. Temperature (F) | 17.6 | 23.8 | 28.2 | 33.5 | 41.9 | 48.5 | 54.9 | 53.5 | 44.1 | 34.9 | 26.4 | 18.9 | 35.5 |
| Highest Mean Min. Temperature (F) | 26.9 | 30.9 | 34.7 | 38.5 | 47.8 | 52.7 | 59.8 | 60.7 | 49.5 | 41.0 | 30.6 | 27.6 | 38.5 |
| Year Highest Occurred | 1981 | 1963 | 1983 | 1990 | 1973 | 1974 | 1975 | 1971 | 1980 | 1979 | 1983 | 1977 | 1983 |
| Lowest Mean Min. Temperature (F) | 4.5 | 11.5 | 21.2 | 28.1 | 37.7 | 44.8 | 51.1 | 47.0 | 37.8 | 29.4 | 16.4 | 4.5 | 32.3 |
| Year Lowest Occurred | 1979 | 1989 | 1965 | 1970 | 1964 | 1976 | 1963 | 1964 | 1965 | 1970 | 1985 | 1990 | 1964 |
| Mean Precipitation (in.) | 1.22 | 0.82 | 0.86 | 0.72 | 1.02 | 0.96 | 0.32 | 0.64 | 0.49 | 0.59 | 1.24 | 1.33 | 10.21 |
| Highest Precipitation (in.) | 3.07 | 2.58 | 2.31 | 3.68 | 3.44 | 2.81 | 2.01 | 2.93 | 1.45 | 1.98 | 3.17 | 3.20 | 18.16 |
| Year Highest Occurred | 1970 | 1986 | 1989 | 1978 | 1981 | 1964 | 1982 | 1965 | 1986 | 1962 | 1981 | 1981 | 1983 |
| Lowest Precipitation (in.) | 0.08 | 0.02 | 0.08 | 0.00 | 0.03 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.11 |
| Year Lowest Occurred | 1966 | 1967 | 1977 | 1977 | 1976 | 1962 | 1988 | 1980 | 1975 | 1988 | 1986 | 1976 | 1966 |
| Heating Degree Days (F) | 1197. | 888. | 760. | 510. | 264. | 90. | 0. | 36. | 162. | 471. | 843. | 1159. | 6380. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 10. | 87. | 252. | 234. | 51. | 0. | 0. | 0. | 634. |