| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 59.3 | 63.3 | 67.8 | 76.2 | 84.4 | 94.0 | 92.7 | 90.1 | 86.7 | 78.4 | 67.7 | 59.8 | 76.7 |
| Highest Mean Max. Temperature (F) | 65.7 | 69.1 | 76.9 | 87.2 | 91.0 | 100.2 | 97.2 | 95.4 | 90.7 | 82.9 | 73.7 | 65.2 | 80.5 |
| Year Highest Occurred | 1986 | 1963 | 1989 | 1989 | 1989 | 1990 | 1978 | 1962 | 1989 | 1965 | 1965 | 1981 | 1989 |
| Lowest Mean Max. Temperature (F) | 51.3 | 57.9 | 61.5 | 68.9 | 79.5 | 89.2 | 88.7 | 86.2 | 82.1 | 71.3 | 63.3 | 54.6 | 74.1 |
| Year Lowest Occurred | 1979 | 1966 | 1981 | 1983 | 1979 | 1965 | 1976 | 1990 | 1976 | 1976 | 1976 | 1978 | 1976 |
| Mean Temperature (F) | 47.2 | 50.2 | 54.0 | 61.3 | 69.1 | 78.3 | 79.4 | 77.4 | 73.8 | 65.2 | 55.1 | 48.1 | 63.3 |
| Highest Mean Temperature (F) | 52.4 | 54.0 | 62.7 | 70.6 | 74.3 | 82.8 | 83.1 | 80.5 | 77.4 | 69.7 | 59.7 | 52.7 | 65.7 |
| Year Highest Occurred | 1986 | 1972 | 1972 | 1989 | 1984 | 1974 | 1971 | 1975 | 1983 | 1987 | 1965 | 1981 | 1989 |
| Lowest Mean Temperature (F) | 42.1 | 43.7 | 49.0 | 56.1 | 66.1 | 73.0 | 76.5 | 73.8 | 70.7 | 59.6 | 50.9 | 43.7 | 61.3 |
| Year Lowest Occurred | 1979 | 1966 | 1962 | 1968 | 1967 | 1965 | 1962 | 1990 | 1976 | 1976 | 1961 | 1967 | 1964 |
| Mean Min. Temperature (F) | 35.1 | 37.0 | 40.2 | 46.4 | 53.8 | 62.5 | 66.1 | 64.6 | 60.9 | 52.0 | 42.3 | 36.3 | 49.8 |
| Highest Mean Min. Temperature (F) | 40.5 | 42.0 | 49.1 | 54.0 | 59.4 | 66.5 | 69.8 | 66.8 | 65.3 | 56.8 | 45.8 | 41.0 | 51.6 |
| Year Highest Occurred | 1969 | 1980 | 1972 | 1989 | 1984 | 1974 | 1971 | 1975 | 1983 | 1987 | 1981 | 1977 | 1972 |
| Lowest Mean Min. Temperature (F) | 28.9 | 28.1 | 33.1 | 40.1 | 49.1 | 56.8 | 62.5 | 61.1 | 57.7 | 47.8 | 37.1 | 31.1 | 46.3 |
| Year Lowest Occurred | 1964 | 1964 | 1964 | 1968 | 1967 | 1965 | 1962 | 1968 | 1988 | 1976 | 1964 | 1967 | 1964 |
| Mean Precipitation (in.) | 0.87 | 0.61 | 0.62 | 0.23 | 0.18 | 0.41 | 3.30 | 3.05 | 1.57 | 1.10 | 0.58 | 0.98 | 13.50 |
| Highest Precipitation (in.) | 2.95 | 1.97 | 2.72 | 1.19 | 0.80 | 2.14 | 5.80 | 5.99 | 5.64 | 3.08 | 1.66 | 3.65 | 21.30 |
| Year Highest Occurred | 1979 | 1978 | 1973 | 1987 | 1976 | 1984 | 1975 | 1971 | 1983 | 1988 | 1985 | 1984 | 1983 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 1.27 | 0.54 | 0.05 | 0.00 | 0.00 | 0.00 | 9.11 |
| Year Lowest Occurred | 1972 | 1989 | 1984 | 1989 | 1988 | 1989 | 1987 | 1975 | 1973 | 1982 | 1970 | 1981 | 1989 |
| Heating Degree Days (F) | 552. | 414. | 357. | 163. | 23. | 0. | 0. | 0. | 0. | 74. | 300. | 524. | 2407. |
| Cooling Degree Days (F) | 0. | 0. | 16. | 52. | 150. | 399. | 446. | 384. | 264. | 81. | 0. | 0. | 1792. |