| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 59.4 | 64.2 | 72.8 | 79.8 | 85.3 | 90.9 | 92.5 | 92.0 | 88.1 | 80.3 | 70.9 | 62.7 | 78.2 |
| Highest Mean Max. Temperature (F) | 68.4 | 74.7 | 79.4 | 85.0 | 91.6 | 94.8 | 97.6 | 95.5 | 94.0 | 87.9 | 76.7 | 70.7 | 79.9 |
| Year Highest Occurred | 1974 | 1962 | 1974 | 1967 | 1962 | 1977 | 1980 | 1980 | 1980 | 1963 | 1985 | 1984 | 1962 |
| Lowest Mean Max. Temperature (F) | 49.5 | 55.7 | 66.4 | 75.0 | 80.4 | 87.1 | 89.1 | 88.1 | 82.9 | 75.0 | 62.5 | 53.8 | 76.5 |
| Year Lowest Occurred | 1978 | 1978 | 1969 | 1973 | 1976 | 1983 | 1989 | 1967 | 1974 | 1988 | 1976 | 1989 | 1989 |
| Mean Temperature (F) | 47.0 | 50.9 | 58.6 | 65.7 | 71.7 | 77.9 | 80.4 | 80.0 | 75.5 | 65.1 | 56.7 | 49.8 | 64.9 |
| Highest Mean Temperature (F) | 58.2 | 61.1 | 64.5 | 71.0 | 75.9 | 81.1 | 84.3 | 82.5 | 80.8 | 71.4 | 65.8 | 58.6 | 66.8 |
| Year Highest Occurred | 1974 | 1962 | 1974 | 1967 | 1963 | 1981 | 1980 | 1980 | 1980 | 1984 | 1985 | 1971 | 1982 |
| Lowest Mean Temperature (F) | 38.6 | 42.6 | 51.2 | 61.1 | 67.7 | 74.7 | 77.3 | 77.2 | 70.4 | 58.5 | 49.2 | 40.4 | 62.9 |
| Year Lowest Occurred | 1977 | 1978 | 1969 | 1983 | 1976 | 1987 | 1967 | 1967 | 1967 | 1987 | 1976 | 1963 | 1968 |
| Mean Min. Temperature (F) | 34.5 | 37.5 | 44.3 | 51.4 | 58.2 | 64.9 | 68.3 | 67.8 | 62.9 | 50.0 | 42.6 | 36.9 | 51.6 |
| Highest Mean Min. Temperature (F) | 47.9 | 47.4 | 51.4 | 58.1 | 62.4 | 69.9 | 71.1 | 70.3 | 67.5 | 60.6 | 54.9 | 47.5 | 53.8 |
| Year Highest Occurred | 1974 | 1962 | 1973 | 1963 | 1987 | 1981 | 1981 | 1987 | 1980 | 1985 | 1985 | 1971 | 1982 |
| Lowest Mean Min. Temperature (F) | 26.9 | 29.5 | 36.0 | 45.5 | 52.7 | 61.5 | 62.6 | 64.8 | 57.5 | 39.6 | 34.4 | 25.7 | 48.8 |
| Year Lowest Occurred | 1985 | 1978 | 1969 | 1987 | 1988 | 1966 | 1987 | 1973 | 1967 | 1987 | 1969 | 1963 | 1968 |
| Mean Precipitation (in.) | 5.17 | 5.41 | 6.02 | 4.93 | 4.58 | 4.00 | 5.56 | 4.05 | 3.98 | 2.91 | 4.36 | 5.95 | 56.92 |
| Highest Precipitation (in.) | 10.63 | 15.16 | 14.08 | 12.09 | 9.60 | 7.81 | 9.96 | 6.90 | 11.03 | 9.59 | 12.62 | 14.34 | 82.02 |
| Year Highest Occurred | 1990 | 1961 | 1961 | 1979 | 1975 | 1970 | 1965 | 1984 | 1979 | 1985 | 1986 | 1971 | 1979 |
| Lowest Precipitation (in.) | 0.96 | 1.70 | 1.83 | 0.53 | 0.79 | 0.60 | 0.91 | 1.44 | 0.20 | 0.00 | 0.45 | 1.78 | 39.53 |
| Year Lowest Occurred | 1981 | 1968 | 1967 | 1987 | 1965 | 1980 | 1983 | 1982 | 1990 | 1987 | 1985 | 1980 | 1963 |
| Heating Degree Days (F) | 569. | 404. | 233. | 69. | 5. | 0. | 0. | 0. | 0. | 99. | 274. | 482. | 2135. |
| Cooling Degree Days (F) | 11. | 9. | 35. | 90. | 213. | 387. | 477. | 465. | 315. | 103. | 25. | 11. | 2141. |