| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 53.2 | 60.1 | 65.0 | 71.0 | 78.3 | 85.4 | 92.0 | 90.7 | 86.0 | 77.4 | 63.9 | 53.9 | 73.1 |
| Highest Mean Max. Temperature (F) | 58.3 | 66.6 | 72.3 | 78.7 | 84.8 | 92.6 | 96.3 | 96.9 | 91.5 | 82.5 | 69.2 | 59.5 | 74.8 |
| Year Highest Occurred | 1976 | 1963 | 1972 | 1987 | 1984 | 1981 | 1967 | 1967 | 1984 | 1978 | 1986 | 1977 | 1988 |
| Lowest Mean Max. Temperature (F) | 47.6 | 53.2 | 59.6 | 59.0 | 70.1 | 78.6 | 84.4 | 83.6 | 80.0 | 73.0 | 57.7 | 45.6 | 70.8 |
| Year Lowest Occurred | 1985 | 1962 | 1973 | 1967 | 1977 | 1969 | 1987 | 1976 | 1986 | 1972 | 1972 | 1963 | 1982 |
| Mean Temperature (F) | 45.1 | 50.8 | 55.2 | 59.9 | 65.9 | 72.0 | 77.9 | 77.1 | 73.0 | 65.5 | 54.6 | 45.8 | 61.9 |
| Highest Mean Temperature (F) | 51.1 | 55.9 | 61.3 | 66.0 | 70.3 | 79.1 | 82.7 | 83.3 | 78.0 | 69.1 | 58.8 | 51.4 | 63.5 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1984 | 1981 | 1967 | 1967 | 1984 | 1987 | 1967 | 1983 | 1988 |
| Lowest Mean Temperature (F) | 40.3 | 47.1 | 51.9 | 51.3 | 60.6 | 66.6 | 72.1 | 72.6 | 68.9 | 61.4 | 50.6 | 40.2 | 60.2 |
| Year Lowest Occurred | 1972 | 1962 | 1973 | 1967 | 1977 | 1969 | 1987 | 1976 | 1986 | 1969 | 1982 | 1963 | 1982 |
| Mean Min. Temperature (F) | 37.0 | 41.5 | 45.3 | 48.8 | 53.5 | 58.6 | 63.7 | 63.5 | 60.1 | 53.6 | 45.2 | 37.8 | 50.7 |
| Highest Mean Min. Temperature (F) | 44.0 | 48.4 | 50.9 | 53.4 | 58.5 | 65.5 | 69.1 | 69.7 | 64.4 | 57.1 | 50.2 | 43.5 | 52.6 |
| Year Highest Occurred | 1986 | 1968 | 1978 | 1990 | 1987 | 1981 | 1967 | 1967 | 1984 | 1987 | 1967 | 1983 | 1981 |
| Lowest Mean Min. Temperature (F) | 31.6 | 36.4 | 39.8 | 43.4 | 49.8 | 53.9 | 59.8 | 59.6 | 55.9 | 49.7 | 41.4 | 31.4 | 48.7 |
| Year Lowest Occurred | 1962 | 1964 | 1963 | 1963 | 1964 | 1965 | 1987 | 1980 | 1964 | 1971 | 1978 | 1990 | 1963 |
| Mean Precipitation (in.) | 1.83 | 1.68 | 1.39 | 0.69 | 0.22 | 0.07 | 0.03 | 0.10 | 0.27 | 0.50 | 1.51 | 1.43 | 9.72 |
| Highest Precipitation (in.) | 6.22 | 5.13 | 4.48 | 2.61 | 1.59 | 0.40 | 0.40 | 1.88 | 2.07 | 1.33 | 5.53 | 3.15 | 20.84 |
| Year Highest Occurred | 1969 | 1962 | 1978 | 1967 | 1990 | 1967 | 1974 | 1983 | 1976 | 1964 | 1972 | 1983 | 1983 |
| Lowest Precipitation (in.) | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.15 | 4.88 |
| Year Lowest Occurred | 1976 | 1964 | 1972 | 1977 | 1989 | 1990 | 1990 | 1990 | 1988 | 1988 | 1986 | 1975 | 1989 |
| Heating Degree Days (F) | 617. | 398. | 309. | 200. | 63. | 19. | 0. | 0. | 6. | 65. | 312. | 595. | 2584. |
| Cooling Degree Days (F) | 0. | 0. | 5. | 47. | 91. | 229. | 400. | 375. | 246. | 81. | 0. | 0. | 1474. |