| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 66.9 | 69.1 | 70.0 | 75.5 | 80.8 | 88.8 | 97.0 | 96.4 | 91.3 | 83.1 | 72.8 | 66.9 | 79.9 |
| Highest Mean Max. Temperature (F) | 75.3 | 77.7 | 78.9 | 82.1 | 92.4 | 98.4 | 101.0 | 101.7 | 100.5 | 90.9 | 80.6 | 75.2 | 82.7 |
| Year Highest Occurred | 1976 | 1977 | 1972 | 1987 | 1984 | 1981 | 1980 | 1981 | 1979 | 1965 | 1977 | 1980 | 1981 |
| Lowest Mean Max. Temperature (F) | 60.8 | 60.5 | 62.6 | 63.4 | 71.2 | 79.6 | 88.6 | 90.1 | 80.8 | 76.5 | 65.8 | 58.6 | 77.4 |
| Year Lowest Occurred | 1979 | 1962 | 1973 | 1967 | 1977 | 1969 | 1987 | 1989 | 1986 | 1972 | 1985 | 1987 | 1987 |
| Mean Temperature (F) | 53.6 | 55.9 | 57.2 | 61.5 | 66.6 | 73.0 | 79.4 | 79.5 | 75.3 | 67.8 | 58.8 | 53.5 | 65.2 |
| Highest Mean Temperature (F) | 58.3 | 60.8 | 63.1 | 66.9 | 74.5 | 80.4 | 83.9 | 83.3 | 82.5 | 72.3 | 64.0 | 60.0 | 68.1 |
| Year Highest Occurred | 1986 | 1977 | 1972 | 1987 | 1984 | 1981 | 1984 | 1981 | 1984 | 1978 | 1976 | 1980 | 1984 |
| Lowest Mean Temperature (F) | 49.8 | 50.6 | 51.1 | 52.5 | 60.6 | 66.7 | 73.6 | 75.3 | 68.2 | 63.5 | 54.4 | 48.7 | 63.4 |
| Year Lowest Occurred | 1979 | 1969 | 1962 | 1967 | 1977 | 1965 | 1987 | 1989 | 1986 | 1969 | 1964 | 1987 | 1964 |
| Mean Min. Temperature (F) | 40.3 | 42.6 | 44.4 | 47.5 | 52.3 | 57.1 | 61.7 | 62.6 | 59.2 | 52.5 | 44.8 | 40.0 | 50.4 |
| Highest Mean Min. Temperature (F) | 48.2 | 47.6 | 49.2 | 52.2 | 56.5 | 62.4 | 68.5 | 67.6 | 67.3 | 58.0 | 49.0 | 46.7 | 53.7 |
| Year Highest Occurred | 1980 | 1980 | 1978 | 1989 | 1984 | 1981 | 1984 | 1984 | 1984 | 1983 | 1986 | 1977 | 1984 |
| Lowest Mean Min. Temperature (F) | 35.7 | 37.4 | 38.2 | 41.6 | 46.9 | 52.8 | 55.1 | 57.1 | 53.4 | 46.8 | 40.3 | 35.4 | 46.3 |
| Year Lowest Occurred | 1972 | 1966 | 1962 | 1967 | 1961 | 1962 | 1962 | 1962 | 1965 | 1962 | 1964 | 1990 | 1962 |
| Mean Precipitation (in.) | 2.86 | 2.76 | 2.74 | 1.20 | 0.38 | 0.07 | 0.04 | 0.25 | 0.54 | 0.63 | 1.77 | 2.18 | 15.42 |
| Highest Precipitation (in.) | 13.64 | 12.50 | 9.65 | 5.40 | 2.70 | 0.48 | 0.36 | 3.72 | 5.12 | 3.54 | 8.47 | 9.14 | 34.39 |
| Year Highest Occurred | 1969 | 1969 | 1978 | 1965 | 1977 | 1963 | 1984 | 1983 | 1976 | 1987 | 1965 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 6.52 |
| Year Lowest Occurred | 1976 | 1967 | 1972 | 1989 | 1986 | 1989 | 1990 | 1990 | 1990 | 1990 | 1980 | 1990 | 1961 |
| Heating Degree Days (F) | 353. | 263. | 253. | 160. | 65. | 16. | 0. | 0. | 10. | 39. | 198. | 362. | 1719. |
| Cooling Degree Days (F) | 0. | 8. | 12. | 55. | 114. | 256. | 446. | 450. | 319. | 126. | 12. | 6. | 1804. |