| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.0 | 58.6 | 62.2 | 70.2 | 80.3 | 90.7 | 95.4 | 92.4 | 86.2 | 76.0 | 63.4 | 54.0 | 73.6 |
| Highest Mean Max. Temperature (F) | 61.7 | 65.4 | 73.5 | 79.6 | 88.6 | 96.3 | 98.6 | 96.7 | 93.3 | 84.1 | 69.3 | 63.5 | 76.2 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1974 | 1961 | 1962 | 1979 | 1964 | 1962 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 44.3 | 52.5 | 52.8 | 62.3 | 72.7 | 83.9 | 91.5 | 87.8 | 78.9 | 67.5 | 57.1 | 46.6 | 71.6 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1975 | 1977 | 1965 | 1986 | 1968 | 1986 | 1972 | 1972 | 1971 | 1982 |
| Mean Temperature (F) | 40.8 | 44.4 | 47.7 | 54.3 | 63.8 | 73.5 | 79.4 | 77.4 | 70.8 | 60.5 | 49.1 | 41.0 | 58.6 |
| Highest Mean Temperature (F) | 46.7 | 49.9 | 54.7 | 61.8 | 70.2 | 78.2 | 82.4 | 80.7 | 76.1 | 66.4 | 52.7 | 48.2 | 60.8 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1961 | 1969 | 1979 | 1988 | 1962 | 1980 | 1981 |
| Lowest Mean Temperature (F) | 34.8 | 38.7 | 42.3 | 47.9 | 58.7 | 67.9 | 75.6 | 73.4 | 65.2 | 55.0 | 44.8 | 35.8 | 57.1 |
| Year Lowest Occurred | 1979 | 1966 | 1973 | 1967 | 1977 | 1965 | 1987 | 1968 | 1986 | 1971 | 1972 | 1990 | 1971 |
| Mean Min. Temperature (F) | 27.7 | 30.2 | 33.1 | 38.4 | 47.2 | 56.3 | 63.3 | 62.4 | 55.4 | 44.8 | 34.8 | 28.0 | 43.5 |
| Highest Mean Min. Temperature (F) | 36.4 | 36.6 | 39.8 | 43.9 | 51.7 | 61.3 | 67.2 | 66.7 | 59.6 | 50.5 | 38.6 | 35.1 | 45.9 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1989 | 1984 | 1981 | 1981 | 1970 | 1983 | 1988 | 1965 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 22.3 | 23.0 | 27.4 | 30.8 | 42.5 | 51.9 | 58.1 | 59.0 | 50.7 | 40.3 | 30.4 | 23.1 | 41.8 |
| Year Lowest Occurred | 1964 | 1964 | 1969 | 1967 | 1971 | 1965 | 1987 | 1968 | 1985 | 1982 | 1964 | 1990 | 1973 |
| Mean Precipitation (in.) | 0.90 | 1.00 | 1.30 | 0.64 | 0.31 | 0.23 | 1.20 | 1.95 | 1.04 | 0.62 | 0.69 | 0.94 | 10.82 |
| Highest Precipitation (in.) | 3.51 | 3.23 | 4.71 | 3.74 | 1.56 | 1.47 | 4.53 | 5.62 | 4.98 | 2.78 | 2.11 | 4.77 | 20.29 |
| Year Highest Occurred | 1978 | 1962 | 1973 | 1965 | 1990 | 1972 | 1984 | 1967 | 1976 | 1972 | 1965 | 1965 | 1978 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.64 |
| Year Lowest Occurred | 1972 | 1984 | 1988 | 1989 | 1983 | 1989 | 1971 | 1976 | 1973 | 1973 | 1989 | 1981 | 1989 |
| Heating Degree Days (F) | 750. | 577. | 536. | 334. | 103. | 7. | 0. | 0. | 16. | 185. | 477. | 744. | 3729. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 13. | 65. | 262. | 446. | 384. | 190. | 45. | 0. | 0. | 1405. |