| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.1 | 58.7 | 61.6 | 67.7 | 76.5 | 85.3 | 92.3 | 91.3 | 85.6 | 76.0 | 62.0 | 54.2 | 72.1 |
| Highest Mean Max. Temperature (F) | 61.3 | 65.4 | 68.5 | 76.2 | 81.6 | 91.8 | 97.3 | 98.7 | 91.7 | 82.5 | 67.6 | 61.8 | 73.7 |
| Year Highest Occurred | 1986 | 1963 | 1972 | 1966 | 1973 | 1961 | 1961 | 1967 | 1974 | 1978 | 1969 | 1976 | 1966 |
| Lowest Mean Max. Temperature (F) | 50.1 | 51.3 | 56.8 | 54.7 | 67.8 | 79.4 | 84.5 | 82.6 | 75.9 | 68.3 | 55.9 | 48.8 | 69.5 |
| Year Lowest Occurred | 1982 | 1969 | 1975 | 1967 | 1977 | 1980 | 1987 | 1976 | 1986 | 1984 | 1985 | 1972 | 1982 |
| Mean Temperature (F) | 45.0 | 48.9 | 51.2 | 56.1 | 63.1 | 70.9 | 76.9 | 76.2 | 71.2 | 63.3 | 52.1 | 45.4 | 60.0 |
| Highest Mean Temperature (F) | 52.5 | 55.1 | 56.6 | 62.7 | 67.8 | 76.7 | 81.6 | 83.0 | 76.2 | 68.4 | 56.7 | 49.7 | 61.6 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1973 | 1981 | 1988 | 1967 | 1975 | 1987 | 1967 | 1979 | 1988 |
| Lowest Mean Temperature (F) | 41.2 | 43.7 | 47.3 | 46.8 | 56.5 | 65.4 | 71.1 | 69.6 | 64.6 | 56.8 | 47.8 | 40.3 | 58.2 |
| Year Lowest Occurred | 1982 | 1969 | 1985 | 1967 | 1977 | 1980 | 1987 | 1976 | 1986 | 1984 | 1982 | 1972 | 1982 |
| Mean Min. Temperature (F) | 35.9 | 39.1 | 40.8 | 44.4 | 49.7 | 56.5 | 61.5 | 61.0 | 56.8 | 50.5 | 42.1 | 36.5 | 47.9 |
| Highest Mean Min. Temperature (F) | 43.7 | 44.8 | 47.0 | 49.9 | 54.4 | 61.7 | 67.8 | 67.3 | 61.6 | 57.2 | 46.0 | 41.5 | 50.3 |
| Year Highest Occurred | 1986 | 1963 | 1986 | 1987 | 1987 | 1981 | 1988 | 1967 | 1975 | 1987 | 1981 | 1964 | 1988 |
| Lowest Mean Min. Temperature (F) | 32.2 | 34.4 | 36.1 | 37.7 | 45.1 | 51.0 | 54.9 | 56.5 | 51.0 | 45.3 | 39.1 | 31.7 | 45.8 |
| Year Lowest Occurred | 1982 | 1964 | 1977 | 1975 | 1977 | 1965 | 1965 | 1976 | 1965 | 1984 | 1975 | 1972 | 1971 |
| Mean Precipitation (in.) | 6.13 | 5.08 | 5.62 | 2.71 | 0.84 | 0.28 | 0.14 | 0.17 | 0.73 | 2.32 | 5.70 | 5.41 | 35.13 |
| Highest Precipitation (in.) | 16.97 | 17.61 | 15.26 | 7.70 | 5.17 | 1.11 | 2.97 | 1.59 | 3.68 | 13.86 | 13.45 | 14.17 | 64.87 |
| Year Highest Occurred | 1969 | 1986 | 1989 | 1963 | 1990 | 1970 | 1974 | 1976 | 1986 | 1962 | 1983 | 1964 | 1983 |
| Lowest Precipitation (in.) | 0.52 | 0.26 | 1.14 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.72 | 0.00 | 11.76 |
| Year Lowest Occurred | 1976 | 1988 | 1988 | 1977 | 1985 | 1990 | 1990 | 1990 | 1988 | 1978 | 1980 | 1989 | 1976 |
| Heating Degree Days (F) | 620. | 451. | 428. | 294. | 121. | 24. | 0. | 0. | 23. | 129. | 387. | 608. | 3085. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 27. | 62. | 201. | 369. | 347. | 209. | 77. | 0. | 0. | 1292. |