| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.4 | 62.6 | 68.1 | 75.2 | 84.0 | 91.8 | 96.4 | 94.2 | 89.5 | 80.3 | 65.2 | 54.7 | 76.4 |
| Highest Mean Max. Temperature (F) | 61.5 | 69.7 | 75.0 | 84.7 | 90.5 | 98.4 | 101.2 | 97.5 | 96.3 | 87.5 | 72.6 | 61.2 | 79.2 |
| Year Highest Occurred | 1976 | 1988 | 1988 | 1987 | 1984 | 1981 | 1988 | 1967 | 1984 | 1990 | 1986 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 48.4 | 54.9 | 62.0 | 61.3 | 76.5 | 85.8 | 91.9 | 89.1 | 83.5 | 73.8 | 57.7 | 45.0 | 72.6 |
| Year Lowest Occurred | 1972 | 1969 | 1973 | 1967 | 1977 | 1965 | 1987 | 1968 | 1965 | 1969 | 1972 | 1963 | 1963 |
| Mean Temperature (F) | 45.0 | 50.9 | 54.7 | 59.6 | 66.8 | 73.6 | 77.6 | 76.1 | 72.0 | 64.3 | 53.0 | 45.0 | 61.6 |
| Highest Mean Temperature (F) | 50.8 | 56.6 | 59.3 | 66.7 | 71.9 | 79.4 | 82.4 | 78.8 | 77.2 | 69.5 | 56.8 | 51.3 | 63.6 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1987 | 1984 | 1981 | 1984 | 1983 | 1984 | 1987 | 1981 | 1983 | 1987 |
| Lowest Mean Temperature (F) | 39.6 | 46.3 | 50.7 | 50.3 | 60.9 | 69.0 | 73.5 | 71.9 | 66.6 | 59.7 | 49.4 | 40.0 | 58.8 |
| Year Lowest Occurred | 1972 | 1971 | 1973 | 1967 | 1977 | 1965 | 1987 | 1968 | 1965 | 1971 | 1964 | 1963 | 1971 |
| Mean Min. Temperature (F) | 35.5 | 39.1 | 41.3 | 44.0 | 49.6 | 55.3 | 58.6 | 58.0 | 54.4 | 48.1 | 40.7 | 35.3 | 46.7 |
| Highest Mean Min. Temperature (F) | 43.1 | 47.2 | 47.9 | 48.7 | 53.7 | 60.3 | 63.8 | 61.7 | 58.4 | 53.7 | 46.1 | 42.6 | 49.1 |
| Year Highest Occurred | 1978 | 1963 | 1978 | 1987 | 1987 | 1981 | 1984 | 1983 | 1983 | 1987 | 1981 | 1983 | 1983 |
| Lowest Mean Min. Temperature (F) | 29.3 | 33.9 | 37.6 | 38.4 | 45.3 | 51.0 | 55.1 | 53.9 | 49.7 | 43.5 | 36.6 | 26.1 | 43.8 |
| Year Lowest Occurred | 1963 | 1971 | 1977 | 1970 | 1977 | 1971 | 1987 | 1970 | 1965 | 1971 | 1971 | 1990 | 1971 |
| Mean Precipitation (in.) | 2.23 | 1.74 | 1.54 | 0.78 | 0.20 | 0.05 | 0.02 | 0.04 | 0.28 | 0.55 | 1.66 | 1.49 | 10.58 |
| Highest Precipitation (in.) | 5.95 | 6.11 | 4.36 | 3.13 | 1.82 | 0.46 | 0.30 | 0.42 | 2.04 | 1.79 | 6.04 | 3.65 | 20.77 |
| Year Highest Occurred | 1969 | 1969 | 1983 | 1963 | 1990 | 1988 | 1974 | 1975 | 1983 | 1973 | 1970 | 1971 | 1983 |
| Lowest Precipitation (in.) | 0.22 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.09 |
| Year Lowest Occurred | 1976 | 1964 | 1988 | 1977 | 1989 | 1990 | 1990 | 1990 | 1990 | 1990 | 1986 | 1989 | 1989 |
| Heating Degree Days (F) | 620. | 395. | 323. | 209. | 64. | 6. | 0. | 0. | 12. | 102. | 360. | 620. | 2711. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 47. | 120. | 264. | 391. | 344. | 222. | 80. | 0. | 0. | 1468. |