| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 53.1 | 60.4 | 65.6 | 72.9 | 82.5 | 91.0 | 96.3 | 94.7 | 89.1 | 78.9 | 63.3 | 53.2 | 75.1 |
| Highest Mean Max. Temperature (F) | 59.2 | 66.4 | 73.1 | 81.6 | 88.1 | 97.3 | 100.5 | 101.6 | 94.2 | 85.0 | 71.0 | 60.2 | 77.1 |
| Year Highest Occurred | 1976 | 1988 | 1972 | 1987 | 1976 | 1981 | 1967 | 1967 | 1974 | 1978 | 1986 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 47.3 | 54.2 | 61.2 | 59.7 | 74.2 | 84.3 | 89.7 | 88.7 | 82.5 | 73.2 | 56.5 | 46.2 | 72.6 |
| Year Lowest Occurred | 1985 | 1969 | 1975 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1972 | 1982 | 1963 | 1963 |
| Mean Temperature (F) | 44.5 | 50.1 | 54.0 | 59.3 | 66.7 | 73.5 | 76.9 | 75.7 | 71.7 | 63.7 | 52.6 | 44.9 | 61.1 |
| Highest Mean Temperature (F) | 49.4 | 55.9 | 58.8 | 65.5 | 70.9 | 80.0 | 81.6 | 80.4 | 75.9 | 69.0 | 57.6 | 49.5 | 63.1 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1987 | 1981 | 1988 | 1967 | 1984 | 1987 | 1986 | 1964 | 1988 |
| Lowest Mean Temperature (F) | 40.5 | 46.5 | 50.7 | 49.8 | 60.7 | 68.3 | 73.1 | 72.6 | 65.7 | 60.2 | 48.4 | 40.5 | 59.5 |
| Year Lowest Occurred | 1972 | 1969 | 1962 | 1967 | 1977 | 1965 | 1987 | 1976 | 1965 | 1984 | 1982 | 1972 | 1965 |
| Mean Min. Temperature (F) | 35.9 | 39.7 | 42.4 | 45.7 | 50.8 | 55.8 | 57.5 | 56.7 | 54.2 | 48.6 | 41.9 | 36.5 | 47.1 |
| Highest Mean Min. Temperature (F) | 43.1 | 46.5 | 48.4 | 50.7 | 56.4 | 62.7 | 63.5 | 61.1 | 59.9 | 54.1 | 46.0 | 42.1 | 49.7 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1990 | 1987 | 1981 | 1988 | 1990 | 1984 | 1987 | 1981 | 1964 | 1981 |
| Lowest Mean Min. Temperature (F) | 29.1 | 34.8 | 38.5 | 39.9 | 45.2 | 52.3 | 54.4 | 53.2 | 48.2 | 44.9 | 37.5 | 30.3 | 44.9 |
| Year Lowest Occurred | 1963 | 1974 | 1962 | 1967 | 1961 | 1965 | 1966 | 1979 | 1965 | 1966 | 1978 | 1976 | 1975 |
| Mean Precipitation (in.) | 4.13 | 3.09 | 2.85 | 1.22 | 0.31 | 0.17 | 0.04 | 0.06 | 0.40 | 1.20 | 2.98 | 2.98 | 19.43 |
| Highest Precipitation (in.) | 10.98 | 10.11 | 8.92 | 4.56 | 2.22 | 1.16 | 0.84 | 0.53 | 3.72 | 6.91 | 7.49 | 7.39 | 41.69 |
| Year Highest Occurred | 1978 | 1980 | 1983 | 1982 | 1990 | 1967 | 1974 | 1965 | 1982 | 1962 | 1970 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.35 | 0.03 | 0.09 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 0.00 | 7.05 |
| Year Lowest Occurred | 1975 | 1964 | 1972 | 1977 | 1985 | 1990 | 1990 | 1990 | 1990 | 1978 | 1986 | 1989 | 1976 |
| Heating Degree Days (F) | 636. | 417. | 341. | 213. | 63. | 6. | 0. | 0. | 11. | 95. | 372. | 623. | 2777. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 42. | 116. | 261. | 369. | 332. | 212. | 55. | 0. | 0. | 1387. |