| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 53.0 | 60.7 | 65.5 | 72.9 | 81.6 | 89.1 | 94.4 | 92.9 | 87.9 | 78.3 | 63.4 | 52.8 | 74.4 |
| Highest Mean Max. Temperature (F) | 59.0 | 66.2 | 73.8 | 80.9 | 87.2 | 98.4 | 98.5 | 98.5 | 95.1 | 84.1 | 69.3 | 60.4 | 77.2 |
| Year Highest Occurred | 1976 | 1988 | 1972 | 1977 | 1984 | 1981 | 1961 | 1967 | 1979 | 1978 | 1986 | 1976 | 1981 |
| Lowest Mean Max. Temperature (F) | 47.5 | 52.5 | 60.4 | 58.9 | 75.3 | 83.7 | 87.7 | 87.5 | 79.8 | 73.2 | 56.9 | 43.1 | 71.4 |
| Year Lowest Occurred | 1972 | 1969 | 1975 | 1967 | 1977 | 1969 | 1987 | 1976 | 1986 | 1969 | 1972 | 1963 | 1963 |
| Mean Temperature (F) | 45.0 | 50.5 | 54.1 | 59.3 | 66.7 | 73.3 | 77.7 | 76.8 | 72.7 | 64.6 | 53.0 | 45.0 | 61.6 |
| Highest Mean Temperature (F) | 51.0 | 55.5 | 59.8 | 65.3 | 71.3 | 80.5 | 81.8 | 81.2 | 77.8 | 68.3 | 56.2 | 50.3 | 63.5 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1977 | 1973 | 1981 | 1984 | 1967 | 1979 | 1978 | 1976 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 40.6 | 46.4 | 49.7 | 50.1 | 62.8 | 69.5 | 72.8 | 72.9 | 67.1 | 60.5 | 49.6 | 39.2 | 59.8 |
| Year Lowest Occurred | 1972 | 1969 | 1985 | 1967 | 1961 | 1965 | 1987 | 1968 | 1986 | 1969 | 1982 | 1963 | 1985 |
| Mean Min. Temperature (F) | 37.0 | 40.3 | 42.6 | 45.7 | 51.8 | 57.5 | 60.9 | 60.7 | 57.5 | 50.8 | 42.7 | 37.1 | 48.7 |
| Highest Mean Min. Temperature (F) | 44.5 | 46.9 | 48.9 | 50.9 | 56.0 | 62.5 | 65.4 | 64.5 | 61.8 | 54.7 | 46.3 | 43.7 | 50.7 |
| Year Highest Occurred | 1986 | 1968 | 1978 | 1990 | 1987 | 1981 | 1984 | 1983 | 1983 | 1987 | 1970 | 1983 | 1983 |
| Lowest Mean Min. Temperature (F) | 31.1 | 33.0 | 36.7 | 40.1 | 47.9 | 53.9 | 56.8 | 57.6 | 53.3 | 46.8 | 38.6 | 29.7 | 46.8 |
| Year Lowest Occurred | 1976 | 1964 | 1985 | 1976 | 1964 | 1982 | 1963 | 1985 | 1964 | 1981 | 1975 | 1990 | 1982 |
| Mean Precipitation (in.) | 2.84 | 1.97 | 2.17 | 1.08 | 0.26 | 0.08 | 0.06 | 0.07 | 0.35 | 0.79 | 2.17 | 2.11 | 13.95 |
| Highest Precipitation (in.) | 7.06 | 6.00 | 6.48 | 3.12 | 2.33 | 0.66 | 0.61 | 0.81 | 2.47 | 2.22 | 6.22 | 5.33 | 26.65 |
| Year Highest Occurred | 1970 | 1962 | 1982 | 1963 | 1990 | 1964 | 1974 | 1975 | 1982 | 1982 | 1972 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.14 | 0.05 | 0.07 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.03 | 5.60 |
| Year Lowest Occurred | 1976 | 1964 | 1972 | 1989 | 1985 | 1990 | 1990 | 1990 | 1990 | 1978 | 1986 | 1989 | 1976 |
| Heating Degree Days (F) | 620. | 406. | 341. | 211. | 53. | 7. | 0. | 0. | 10. | 79. | 360. | 620. | 2707. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 40. | 106. | 256. | 394. | 366. | 241. | 67. | 0. | 0. | 1470. |