| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 53.6 | 61.9 | 67.1 | 73.8 | 81.6 | 88.9 | 94.2 | 92.4 | 87.5 | 78.3 | 63.7 | 53.4 | 74.7 |
| Highest Mean Max. Temperature (F) | 59.1 | 67.5 | 74.4 | 81.8 | 86.8 | 95.6 | 98.3 | 97.3 | 93.8 | 83.0 | 68.9 | 59.5 | 76.5 |
| Year Highest Occurred | 1976 | 1988 | 1972 | 1987 | 1984 | 1981 | 1988 | 1967 | 1984 | 1965 | 1986 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 47.9 | 55.3 | 61.7 | 60.6 | 74.0 | 82.1 | 89.3 | 86.1 | 82.1 | 73.5 | 58.2 | 45.5 | 72.8 |
| Year Lowest Occurred | 1972 | 1962 | 1973 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1984 | 1982 | 1963 | 1963 |
| Mean Temperature (F) | 45.6 | 51.6 | 55.3 | 60.2 | 66.6 | 72.8 | 77.1 | 75.9 | 71.9 | 64.1 | 53.2 | 45.5 | 61.7 |
| Highest Mean Temperature (F) | 51.5 | 57.5 | 60.7 | 66.0 | 71.3 | 79.1 | 81.1 | 79.7 | 77.5 | 68.3 | 56.0 | 51.0 | 63.5 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1987 | 1984 | 1981 | 1988 | 1967 | 1984 | 1990 | 1981 | 1983 | 1981 |
| Lowest Mean Temperature (F) | 41.1 | 47.5 | 51.2 | 50.3 | 61.3 | 66.0 | 72.6 | 72.0 | 67.1 | 60.6 | 49.4 | 40.1 | 59.7 |
| Year Lowest Occurred | 1972 | 1962 | 1973 | 1967 | 1977 | 1965 | 1966 | 1976 | 1986 | 1969 | 1964 | 1963 | 1965 |
| Mean Min. Temperature (F) | 37.4 | 41.1 | 43.4 | 46.6 | 51.4 | 56.7 | 59.9 | 59.4 | 56.1 | 49.9 | 42.6 | 37.4 | 48.5 |
| Highest Mean Min. Temperature (F) | 44.5 | 47.8 | 49.9 | 52.7 | 55.7 | 62.6 | 64.2 | 63.1 | 61.2 | 55.1 | 46.7 | 44.9 | 51.2 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1990 | 1984 | 1981 | 1990 | 1990 | 1984 | 1990 | 1981 | 1983 | 1983 |
| Lowest Mean Min. Temperature (F) | 31.2 | 36.0 | 39.2 | 39.9 | 47.0 | 49.8 | 54.8 | 56.4 | 50.3 | 45.2 | 37.8 | 32.2 | 45.9 |
| Year Lowest Occurred | 1962 | 1964 | 1962 | 1967 | 1965 | 1965 | 1966 | 1963 | 1964 | 1966 | 1961 | 1976 | 1964 |
| Mean Precipitation (in.) | 2.17 | 1.83 | 2.12 | 0.97 | 0.21 | 0.07 | 0.05 | 0.08 | 0.28 | 0.73 | 1.90 | 1.69 | 12.10 |
| Highest Precipitation (in.) | 5.66 | 5.86 | 6.49 | 2.97 | 1.62 | 0.46 | 0.69 | 0.74 | 2.19 | 2.43 | 6.03 | 3.95 | 27.39 |
| Year Highest Occurred | 1983 | 1962 | 1982 | 1963 | 1990 | 1967 | 1974 | 1965 | 1983 | 1973 | 1970 | 1971 | 1983 |
| Lowest Precipitation (in.) | 0.18 | 0.05 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.01 | 6.39 |
| Year Lowest Occurred | 1976 | 1964 | 1988 | 1962 | 1987 | 1990 | 1990 | 1990 | 1988 | 1990 | 1980 | 1989 | 1976 |
| Heating Degree Days (F) | 601. | 375. | 308. | 189. | 63. | 12. | 0. | 0. | 11. | 87. | 354. | 605. | 2605. |
| Cooling Degree Days (F) | 0. | 0. | 7. | 45. | 113. | 246. | 375. | 338. | 218. | 59. | 0. | 0. | 1401. |