| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.5 | 62.3 | 67.4 | 74.9 | 83.7 | 91.4 | 96.9 | 95.2 | 90.0 | 80.5 | 65.3 | 54.3 | 76.4 |
| Highest Mean Max. Temperature (F) | 59.8 | 68.0 | 76.4 | 82.0 | 88.3 | 96.8 | 101.2 | 100.4 | 95.6 | 86.1 | 70.7 | 59.9 | 78.3 |
| Year Highest Occurred | 1970 | 1988 | 1972 | 1987 | 1973 | 1981 | 1967 | 1967 | 1984 | 1978 | 1986 | 1976 | 1988 |
| Lowest Mean Max. Temperature (F) | 48.2 | 55.6 | 62.5 | 61.9 | 75.8 | 86.0 | 90.6 | 88.6 | 84.1 | 74.1 | 59.4 | 44.7 | 73.9 |
| Year Lowest Occurred | 1977 | 1962 | 1982 | 1967 | 1977 | 1982 | 1987 | 1976 | 1986 | 1984 | 1982 | 1963 | 1982 |
| Mean Temperature (F) | 45.1 | 50.5 | 54.4 | 59.6 | 67.0 | 73.7 | 78.6 | 77.1 | 72.4 | 64.0 | 52.9 | 44.8 | 61.7 |
| Highest Mean Temperature (F) | 51.3 | 56.8 | 61.2 | 64.8 | 71.3 | 79.9 | 82.4 | 82.5 | 77.7 | 68.2 | 57.5 | 50.4 | 63.0 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1990 | 1973 | 1981 | 1967 | 1967 | 1984 | 1987 | 1967 | 1983 | 1981 |
| Lowest Mean Temperature (F) | 41.1 | 47.0 | 50.3 | 50.8 | 61.1 | 69.1 | 73.5 | 71.4 | 67.9 | 59.3 | 49.5 | 39.3 | 60.2 |
| Year Lowest Occurred | 1962 | 1969 | 1977 | 1967 | 1977 | 1965 | 1987 | 1979 | 1965 | 1969 | 1982 | 1963 | 1982 |
| Mean Min. Temperature (F) | 35.7 | 38.7 | 41.4 | 44.4 | 50.4 | 56.1 | 60.2 | 59.0 | 54.8 | 47.5 | 40.4 | 35.3 | 47.0 |
| Highest Mean Min. Temperature (F) | 42.9 | 46.6 | 46.4 | 48.9 | 54.2 | 62.9 | 64.3 | 64.5 | 59.9 | 52.4 | 45.2 | 42.5 | 49.3 |
| Year Highest Occurred | 1986 | 1968 | 1983 | 1990 | 1973 | 1981 | 1984 | 1967 | 1967 | 1987 | 1967 | 1983 | 1983 |
| Lowest Mean Min. Temperature (F) | 29.1 | 32.1 | 34.7 | 39.7 | 46.2 | 51.1 | 56.0 | 49.2 | 49.9 | 42.1 | 35.5 | 27.3 | 45.2 |
| Year Lowest Occurred | 1976 | 1964 | 1977 | 1967 | 1978 | 1979 | 1963 | 1979 | 1965 | 1969 | 1971 | 1990 | 1979 |
| Mean Precipitation (in.) | 2.07 | 2.06 | 2.00 | 1.06 | 0.28 | 0.06 | 0.03 | 0.04 | 0.20 | 0.65 | 1.86 | 1.70 | 12.01 |
| Highest Precipitation (in.) | 7.07 | 5.74 | 5.47 | 4.60 | 1.65 | 0.44 | 0.42 | 0.49 | 1.34 | 2.10 | 4.91 | 3.78 | 24.18 |
| Year Highest Occurred | 1969 | 1962 | 1983 | 1967 | 1990 | 1977 | 1974 | 1965 | 1989 | 1973 | 1972 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.14 | 0.16 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 6.55 |
| Year Lowest Occurred | 1976 | 1964 | 1972 | 1977 | 1985 | 1990 | 1990 | 1990 | 1990 | 1988 | 1980 | 1989 | 1977 |
| Heating Degree Days (F) | 617. | 406. | 329. | 200. | 51. | 7. | 0. | 0. | 7. | 86. | 363. | 626. | 2692. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 38. | 113. | 268. | 422. | 375. | 229. | 55. | 0. | 0. | 1500. |