| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.5 | 48.5 | 52.7 | 59.2 | 66.5 | 75.7 | 81.4 | 80.6 | 75.6 | 65.4 | 52.6 | 45.9 | 62.5 |
| Highest Mean Max. Temperature (F) | 51.2 | 58.5 | 64.8 | 70.8 | 77.0 | 83.2 | 85.5 | 85.6 | 81.6 | 75.0 | 57.8 | 53.1 | 64.5 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1970 | 1969 | 1979 | 1965 | 1962 | 1980 | 1989 |
| Lowest Mean Max. Temperature (F) | 39.8 | 40.3 | 45.4 | 45.5 | 56.8 | 66.8 | 77.0 | 76.5 | 66.5 | 57.3 | 47.1 | 37.6 | 60.1 |
| Year Lowest Occurred | 1979 | 1969 | 1973 | 1967 | 1977 | 1963 | 1987 | 1976 | 1986 | 1972 | 1964 | 1971 | 1982 |
| Mean Temperature (F) | 37.2 | 39.4 | 42.0 | 47.0 | 53.7 | 62.3 | 69.0 | 68.3 | 63.1 | 53.9 | 43.5 | 37.6 | 51.4 |
| Highest Mean Temperature (F) | 42.4 | 47.5 | 51.1 | 56.8 | 61.8 | 68.4 | 72.8 | 73.1 | 67.4 | 60.9 | 48.1 | 44.3 | 52.9 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1970 | 1969 | 1979 | 1964 | 1967 | 1977 | 1981 |
| Lowest Mean Temperature (F) | 33.0 | 33.6 | 36.8 | 37.0 | 45.9 | 55.9 | 64.6 | 63.7 | 55.8 | 48.7 | 39.0 | 31.8 | 49.3 |
| Year Lowest Occurred | 1973 | 1969 | 1973 | 1967 | 1977 | 1965 | 1987 | 1976 | 1986 | 1972 | 1964 | 1967 | 1982 |
| Mean Min. Temperature (F) | 28.9 | 30.2 | 31.3 | 34.8 | 41.0 | 48.8 | 56.4 | 56.0 | 50.4 | 42.3 | 34.2 | 29.3 | 40.3 |
| Highest Mean Min. Temperature (F) | 33.5 | 36.4 | 37.4 | 42.8 | 46.6 | 53.6 | 60.0 | 60.5 | 54.6 | 48.6 | 38.7 | 35.9 | 41.5 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1989 | 1984 | 1981 | 1970 | 1969 | 1969 | 1988 | 1967 | 1977 | 1986 |
| Lowest Mean Min. Temperature (F) | 25.4 | 25.6 | 26.3 | 28.5 | 35.0 | 44.4 | 51.8 | 50.8 | 45.0 | 37.7 | 30.3 | 23.9 | 38.4 |
| Year Lowest Occurred | 1973 | 1990 | 1977 | 1967 | 1977 | 1965 | 1982 | 1976 | 1986 | 1971 | 1972 | 1990 | 1982 |
| Mean Precipitation (in.) | 7.53 | 7.20 | 6.79 | 3.25 | 1.15 | 0.09 | 0.17 | 0.45 | 1.28 | 1.52 | 5.24 | 6.13 | 40.80 |
| Highest Precipitation (in.) | 45.92 | 35.94 | 27.61 | 15.37 | 8.31 | 0.51 | 2.14 | 3.47 | 9.27 | 9.97 | 29.99 | 27.87 | 98.54 |
| Year Highest Occurred | 1969 | 1969 | 1978 | 1967 | 1977 | 1964 | 1968 | 1983 | 1976 | 1987 | 1965 | 1966 | 1969 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.05 | 16.42 |
| Year Lowest Occurred | 1976 | 1961 | 1972 | 1989 | 1986 | 1989 | 1990 | 1989 | 1981 | 1990 | 1962 | 1989 | 1972 |
| Heating Degree Days (F) | 862. | 717. | 713. | 547. | 361. | 142. | 17. | 30. | 118. | 357. | 645. | 849. | 5358. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 7. | 10. | 61. | 141. | 132. | 61. | 13. | 0. | 0. | 425. |