| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 56.1 | 64.3 | 70.1 | 77.9 | 86.5 | 94.6 | 99.5 | 97.7 | 92.0 | 82.2 | 67.2 | 56.1 | 78.7 |
| Highest Mean Max. Temperature (F) | 63.7 | 68.5 | 77.7 | 86.2 | 92.2 | 100.2 | 102.9 | 103.0 | 98.0 | 88.0 | 71.0 | 63.4 | 81.1 |
| Year Highest Occurred | 1970 | 1963 | 1972 | 1987 | 1973 | 1981 | 1988 | 1967 | 1974 | 1978 | 1969 | 1969 | 1970 |
| Lowest Mean Max. Temperature (F) | 49.4 | 57.2 | 64.5 | 64.7 | 78.9 | 88.5 | 93.5 | 91.8 | 85.0 | 76.5 | 61.4 | 46.9 | 76.1 |
| Year Lowest Occurred | 1972 | 1962 | 1973 | 1967 | 1977 | 1965 | 1987 | 1976 | 1985 | 1984 | 1982 | 1963 | 1963 |
| Mean Temperature (F) | 46.3 | 52.5 | 57.2 | 63.1 | 70.6 | 77.9 | 82.6 | 81.0 | 75.7 | 66.4 | 54.6 | 46.0 | 64.5 |
| Highest Mean Temperature (F) | 52.3 | 57.9 | 62.5 | 69.0 | 76.1 | 82.9 | 86.2 | 86.5 | 80.3 | 71.2 | 59.6 | 53.0 | 66.3 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1973 | 1981 | 1967 | 1967 | 1967 | 1978 | 1967 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 41.0 | 48.9 | 53.9 | 54.2 | 65.0 | 73.2 | 76.1 | 76.6 | 69.0 | 62.1 | 51.1 | 40.4 | 62.9 |
| Year Lowest Occurred | 1972 | 1971 | 1977 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1984 | 1985 | 1990 | 1985 |
| Mean Min. Temperature (F) | 36.5 | 40.7 | 44.3 | 48.3 | 54.6 | 61.1 | 65.6 | 64.3 | 59.4 | 50.6 | 41.8 | 35.8 | 50.3 |
| Highest Mean Min. Temperature (F) | 42.8 | 48.1 | 50.5 | 52.6 | 60.0 | 65.5 | 69.9 | 69.9 | 65.4 | 55.4 | 48.8 | 43.2 | 52.1 |
| Year Highest Occurred | 1978 | 1968 | 1978 | 1966 | 1973 | 1981 | 1967 | 1967 | 1967 | 1963 | 1967 | 1977 | 1981 |
| Lowest Mean Min. Temperature (F) | 31.0 | 36.1 | 38.4 | 43.7 | 51.1 | 57.6 | 58.7 | 59.9 | 52.4 | 45.7 | 36.8 | 26.1 | 47.7 |
| Year Lowest Occurred | 1963 | 1964 | 1977 | 1967 | 1977 | 1989 | 1987 | 1989 | 1986 | 1986 | 1990 | 1990 | 1989 |
| Mean Precipitation (in.) | 1.12 | 1.23 | 1.21 | 0.76 | 0.18 | 0.08 | 0.02 | 0.04 | 0.21 | 0.29 | 0.74 | 0.81 | 6.69 |
| Highest Precipitation (in.) | 4.68 | 5.71 | 5.78 | 2.66 | 2.15 | 0.80 | 0.22 | 0.47 | 1.57 | 1.76 | 2.07 | 2.68 | 14.23 |
| Year Highest Occurred | 1969 | 1962 | 1982 | 1988 | 1971 | 1985 | 1965 | 1983 | 1978 | 1974 | 1970 | 1977 | 1978 |
| Lowest Precipitation (in.) | 0.03 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 3.12 |
| Year Lowest Occurred | 1972 | 1977 | 1972 | 1989 | 1987 | 1990 | 1990 | 1989 | 1988 | 1988 | 1980 | 1989 | 1972 |
| Heating Degree Days (F) | 580. | 350. | 248. | 139. | 20. | 0. | 0. | 0. | 0. | 54. | 312. | 589. | 2292. |
| Cooling Degree Days (F) | 0. | 0. | 6. | 82. | 194. | 387. | 546. | 496. | 325. | 97. | 0. | 0. | 2133. |