| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 53.8 | 61.4 | 66.7 | 74.2 | 83.5 | 91.5 | 97.8 | 96.1 | 90.0 | 80.4 | 65.3 | 54.0 | 76.2 |
| Highest Mean Max. Temperature (F) | 59.7 | 66.9 | 75.2 | 82.3 | 89.6 | 98.9 | 104.5 | 102.6 | 95.4 | 84.7 | 72.0 | 60.7 | 78.6 |
| Year Highest Occurred | 1970 | 1988 | 1972 | 1962 | 1984 | 1961 | 1961 | 1967 | 1984 | 1964 | 1962 | 1976 | 1961 |
| Lowest Mean Max. Temperature (F) | 47.3 | 54.0 | 60.8 | 61.0 | 74.4 | 86.0 | 90.6 | 88.0 | 82.2 | 75.2 | 58.3 | 43.8 | 73.8 |
| Year Lowest Occurred | 1972 | 1962 | 1973 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1984 | 1972 | 1963 | 1963 |
| Mean Temperature (F) | 44.7 | 50.0 | 54.3 | 59.9 | 67.3 | 74.4 | 79.7 | 78.3 | 72.8 | 64.1 | 52.8 | 44.5 | 61.9 |
| Highest Mean Temperature (F) | 50.4 | 56.2 | 59.8 | 65.5 | 71.9 | 80.8 | 83.6 | 83.6 | 76.9 | 68.4 | 57.7 | 49.8 | 63.4 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1987 | 1984 | 1981 | 1961 | 1967 | 1969 | 1987 | 1967 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 39.9 | 46.6 | 50.6 | 51.7 | 60.8 | 70.2 | 74.9 | 72.3 | 67.7 | 58.6 | 47.8 | 39.5 | 59.6 |
| Year Lowest Occurred | 1985 | 1962 | 1985 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1981 | 1975 | 1963 | 1975 |
| Mean Min. Temperature (F) | 35.5 | 38.6 | 41.9 | 45.6 | 51.2 | 57.3 | 61.5 | 60.4 | 55.5 | 47.7 | 40.2 | 35.0 | 47.5 |
| Highest Mean Min. Temperature (F) | 42.7 | 46.7 | 47.9 | 49.8 | 55.7 | 63.8 | 66.5 | 64.6 | 59.7 | 53.2 | 46.8 | 42.1 | 49.3 |
| Year Highest Occurred | 1980 | 1963 | 1978 | 1990 | 1987 | 1981 | 1988 | 1967 | 1967 | 1987 | 1967 | 1964 | 1986 |
| Lowest Mean Min. Temperature (F) | 29.1 | 32.4 | 36.4 | 39.6 | 47.2 | 53.4 | 56.9 | 56.0 | 51.7 | 41.9 | 32.8 | 27.3 | 44.5 |
| Year Lowest Occurred | 1976 | 1985 | 1985 | 1975 | 1977 | 1976 | 1963 | 1985 | 1962 | 1981 | 1975 | 1976 | 1975 |
| Mean Precipitation (in.) | 1.82 | 1.93 | 1.84 | 1.17 | 0.33 | 0.05 | 0.01 | 0.03 | 0.20 | 0.63 | 1.58 | 1.56 | 11.15 |
| Highest Precipitation (in.) | 5.69 | 6.84 | 5.12 | 5.47 | 2.36 | 0.45 | 0.07 | 0.27 | 1.61 | 1.96 | 4.25 | 3.29 | 22.13 |
| Year Highest Occurred | 1969 | 1986 | 1983 | 1967 | 1990 | 1967 | 1969 | 1976 | 1978 | 1987 | 1965 | 1966 | 1983 |
| Lowest Precipitation (in.) | 0.10 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.58 |
| Year Lowest Occurred | 1976 | 1964 | 1972 | 1977 | 1985 | 1990 | 1990 | 1990 | 1988 | 1988 | 1986 | 1989 | 1977 |
| Heating Degree Days (F) | 629. | 420. | 332. | 195. | 51. | 5. | 0. | 0. | 9. | 98. | 366. | 636. | 2741. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 42. | 122. | 287. | 456. | 412. | 243. | 70. | 0. | 0. | 1632. |