| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 63.3 | 66.4 | 73.6 | 80.3 | 85.5 | 89.3 | 91.3 | 90.2 | 86.5 | 80.0 | 72.7 | 66.1 | 78.8 |
| Highest Mean Max. Temperature (F) | 77.0 | 75.2 | 79.1 | 84.0 | 91.1 | 94.0 | 95.4 | 93.8 | 90.4 | 83.4 | 77.8 | 73.5 | 81.9 |
| Year Highest Occurred | 1974 | 1962 | 1974 | 1981 | 1962 | 1977 | 1986 | 1963 | 1990 | 1971 | 1978 | 1984 | 1990 |
| Lowest Mean Max. Temperature (F) | 53.1 | 54.7 | 67.5 | 75.0 | 81.7 | 85.3 | 87.4 | 88.0 | 83.2 | 75.0 | 65.9 | 58.2 | 76.5 |
| Year Lowest Occurred | 1977 | 1968 | 1969 | 1983 | 1966 | 1966 | 1975 | 1976 | 1967 | 1987 | 1976 | 1989 | 1983 |
| Mean Temperature (F) | 50.8 | 53.3 | 60.2 | 66.2 | 72.5 | 77.9 | 80.5 | 80.0 | 76.4 | 68.0 | 59.9 | 53.3 | 66.6 |
| Highest Mean Temperature (F) | 65.9 | 59.9 | 65.4 | 69.8 | 75.5 | 81.6 | 84.1 | 82.4 | 79.2 | 73.7 | 68.0 | 62.1 | 68.7 |
| Year Highest Occurred | 1974 | 1990 | 1976 | 1967 | 1975 | 1981 | 1986 | 1983 | 1980 | 1985 | 1985 | 1971 | 1986 |
| Lowest Mean Temperature (F) | 42.5 | 43.6 | 54.4 | 62.2 | 70.3 | 74.2 | 77.6 | 78.4 | 72.0 | 62.1 | 53.4 | 44.4 | 64.9 |
| Year Lowest Occurred | 1977 | 1968 | 1969 | 1983 | 1968 | 1966 | 1965 | 1964 | 1967 | 1987 | 1976 | 1989 | 1968 |
| Mean Min. Temperature (F) | 38.2 | 40.1 | 46.7 | 52.0 | 59.4 | 66.5 | 69.6 | 69.7 | 66.3 | 55.9 | 47.1 | 40.5 | 54.3 |
| Highest Mean Min. Temperature (F) | 54.8 | 47.1 | 52.5 | 56.8 | 63.8 | 70.3 | 72.9 | 73.0 | 70.2 | 65.2 | 58.5 | 52.1 | 57.1 |
| Year Highest Occurred | 1974 | 1990 | 1973 | 1970 | 1975 | 1981 | 1983 | 1983 | 1979 | 1985 | 1985 | 1971 | 1982 |
| Lowest Mean Min. Temperature (F) | 29.7 | 31.8 | 41.0 | 47.8 | 53.5 | 63.0 | 63.9 | 66.6 | 60.8 | 49.2 | 39.7 | 30.6 | 51.1 |
| Year Lowest Occurred | 1981 | 1978 | 1981 | 1987 | 1965 | 1966 | 1965 | 1963 | 1967 | 1987 | 1970 | 1989 | 1963 |
| Mean Precipitation (in.) | 3.76 | 4.06 | 4.38 | 2.84 | 3.97 | 5.81 | 6.68 | 7.89 | 4.21 | 2.35 | 2.57 | 3.34 | 51.86 |
| Highest Precipitation (in.) | 9.26 | 7.92 | 10.90 | 7.26 | 10.61 | 11.24 | 16.95 | 13.26 | 11.28 | 7.70 | 7.83 | 6.79 | 81.36 |
| Year Highest Occurred | 1987 | 1964 | 1965 | 1982 | 1966 | 1989 | 1964 | 1971 | 1979 | 1964 | 1976 | 1971 | 1964 |
| Lowest Precipitation (in.) | 0.34 | 0.59 | 0.45 | 0.03 | 0.69 | 1.72 | 2.00 | 1.65 | 0.69 | 0.00 | 0.30 | 0.11 | 39.11 |
| Year Lowest Occurred | 1989 | 1976 | 1967 | 1986 | 1988 | 1980 | 1986 | 1984 | 1978 | 1987 | 1966 | 1984 | 1990 |
| Heating Degree Days (F) | 464. | 343. | 183. | 41. | 0. | 0. | 0. | 0. | 0. | 51. | 198. | 381. | 1661. |
| Cooling Degree Days (F) | 24. | 15. | 34. | 77. | 233. | 387. | 481. | 465. | 342. | 144. | 45. | 18. | 2265. |