| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 53.8 | 61.5 | 66.9 | 73.8 | 82.7 | 90.6 | 96.0 | 94.3 | 88.5 | 79.3 | 64.9 | 53.8 | 75.5 |
| Highest Mean Max. Temperature (F) | 61.4 | 68.0 | 74.4 | 82.1 | 88.0 | 96.4 | 100.9 | 99.9 | 94.2 | 85.3 | 70.3 | 61.3 | 77.8 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1962 | 1984 | 1961 | 1961 | 1967 | 1984 | 1978 | 1986 | 1962 | 1986 |
| Lowest Mean Max. Temperature (F) | 46.3 | 55.6 | 60.8 | 60.7 | 74.5 | 85.5 | 88.3 | 87.2 | 83.9 | 73.9 | 58.7 | 45.9 | 73.7 |
| Year Lowest Occurred | 1972 | 1969 | 1973 | 1967 | 1977 | 1965 | 1987 | 1976 | 1965 | 1969 | 1972 | 1963 | 1965 |
| Mean Temperature (F) | 45.4 | 51.3 | 55.8 | 61.1 | 68.4 | 75.4 | 80.4 | 78.8 | 73.6 | 65.4 | 53.9 | 45.2 | 62.9 |
| Highest Mean Temperature (F) | 52.6 | 57.8 | 60.8 | 67.1 | 72.5 | 80.3 | 83.7 | 83.5 | 79.2 | 68.9 | 58.4 | 50.9 | 64.6 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1985 | 1973 | 1961 | 1984 | 1967 | 1984 | 1978 | 1967 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 39.9 | 47.0 | 51.5 | 51.8 | 61.9 | 70.7 | 75.6 | 73.6 | 68.6 | 60.3 | 50.2 | 40.5 | 61.3 |
| Year Lowest Occurred | 1972 | 1971 | 1973 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1969 | 1964 | 1963 | 1965 |
| Mean Min. Temperature (F) | 37.0 | 41.2 | 44.6 | 48.4 | 54.1 | 60.3 | 64.7 | 63.3 | 58.8 | 51.5 | 42.8 | 36.6 | 50.3 |
| Highest Mean Min. Temperature (F) | 43.7 | 47.6 | 50.3 | 54.3 | 58.8 | 64.3 | 69.6 | 67.1 | 64.2 | 57.6 | 48.4 | 41.7 | 52.1 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1989 | 1987 | 1987 | 1988 | 1967 | 1984 | 1987 | 1967 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 31.0 | 36.7 | 40.4 | 42.9 | 49.3 | 55.9 | 61.0 | 59.9 | 52.7 | 46.6 | 39.1 | 32.0 | 48.6 |
| Year Lowest Occurred | 1963 | 1971 | 1977 | 1967 | 1977 | 1965 | 1983 | 1976 | 1986 | 1969 | 1975 | 1990 | 1975 |
| Mean Precipitation (in.) | 1.77 | 1.80 | 1.63 | 0.99 | 0.28 | 0.07 | 0.01 | 0.02 | 0.22 | 0.59 | 1.33 | 1.44 | 10.15 |
| Highest Precipitation (in.) | 7.72 | 5.78 | 5.05 | 4.81 | 2.23 | 0.76 | 0.25 | 0.23 | 1.53 | 4.67 | 3.71 | 3.78 | 18.13 |
| Year Highest Occurred | 1969 | 1962 | 1982 | 1967 | 1971 | 1982 | 1982 | 1961 | 1976 | 1974 | 1982 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.95 |
| Year Lowest Occurred | 1976 | 1977 | 1972 | 1979 | 1986 | 1990 | 1990 | 1990 | 1988 | 1990 | 1962 | 1989 | 1989 |
| Heating Degree Days (F) | 608. | 384. | 289. | 178. | 33. | 0. | 0. | 0. | 7. | 65. | 333. | 614. | 2511. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 61. | 138. | 315. | 477. | 428. | 265. | 78. | 0. | 0. | 1762. |