| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 57.6 | 63.4 | 66.5 | 72.2 | 78.7 | 84.9 | 89.6 | 88.6 | 86.2 | 78.6 | 65.8 | 57.4 | 74.1 |
| Highest Mean Max. Temperature (F) | 64.1 | 68.4 | 72.7 | 78.4 | 85.7 | 92.2 | 94.3 | 96.0 | 95.3 | 84.6 | 71.6 | 64.7 | 76.1 |
| Year Highest Occurred | 1976 | 1988 | 1972 | 1962 | 1984 | 1981 | 1961 | 1969 | 1984 | 1978 | 1980 | 1976 | 1984 |
| Lowest Mean Max. Temperature (F) | 52.4 | 55.0 | 62.4 | 60.4 | 72.4 | 77.8 | 83.0 | 83.3 | 75.3 | 72.2 | 59.7 | 51.0 | 72.1 |
| Year Lowest Occurred | 1961 | 1969 | 1985 | 1967 | 1961 | 1965 | 1987 | 1987 | 1986 | 1972 | 1973 | 1963 | 1985 |
| Mean Temperature (F) | 48.0 | 52.5 | 54.8 | 58.6 | 63.8 | 68.9 | 71.5 | 71.2 | 69.5 | 63.8 | 54.7 | 48.1 | 60.5 |
| Highest Mean Temperature (F) | 51.8 | 58.1 | 59.3 | 62.4 | 69.2 | 76.2 | 75.3 | 74.4 | 75.9 | 67.0 | 58.2 | 52.3 | 62.4 |
| Year Highest Occurred | 1986 | 1963 | 1984 | 1962 | 1984 | 1981 | 1984 | 1969 | 1984 | 1978 | 1967 | 1981 | 1981 |
| Lowest Mean Temperature (F) | 45.3 | 47.5 | 51.7 | 49.7 | 59.8 | 64.1 | 68.0 | 68.1 | 62.7 | 61.0 | 51.6 | 43.7 | 59.0 |
| Year Lowest Occurred | 1985 | 1989 | 1962 | 1967 | 1961 | 1965 | 1987 | 1986 | 1986 | 1975 | 1985 | 1972 | 1985 |
| Mean Min. Temperature (F) | 38.4 | 41.6 | 43.0 | 45.0 | 48.9 | 52.9 | 53.4 | 53.7 | 52.7 | 48.9 | 43.5 | 38.7 | 46.7 |
| Highest Mean Min. Temperature (F) | 44.2 | 48.4 | 48.3 | 50.2 | 52.7 | 60.1 | 57.1 | 57.0 | 57.5 | 52.3 | 48.0 | 45.8 | 49.6 |
| Year Highest Occurred | 1986 | 1963 | 1978 | 1990 | 1984 | 1981 | 1984 | 1983 | 1983 | 1979 | 1970 | 1983 | 1983 |
| Lowest Mean Min. Temperature (F) | 33.5 | 35.6 | 39.0 | 38.9 | 45.0 | 50.0 | 50.2 | 50.6 | 49.2 | 43.4 | 39.3 | 31.2 | 45.0 |
| Year Lowest Occurred | 1972 | 1964 | 1976 | 1967 | 1964 | 1971 | 1962 | 1973 | 1965 | 1971 | 1978 | 1990 | 1971 |
| Mean Precipitation (in.) | 9.10 | 6.70 | 5.74 | 2.37 | 0.54 | 0.15 | 0.07 | 0.16 | 0.56 | 2.51 | 6.94 | 7.40 | 42.24 |
| Highest Precipitation (in.) | 25.24 | 21.95 | 20.34 | 7.20 | 6.44 | 2.17 | 1.71 | 1.52 | 2.98 | 10.83 | 21.20 | 18.58 | 96.25 |
| Year Highest Occurred | 1970 | 1986 | 1983 | 1982 | 1990 | 1967 | 1974 | 1983 | 1989 | 1962 | 1973 | 1969 | 1983 |
| Lowest Precipitation (in.) | 0.41 | 0.16 | 0.07 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 0.00 | 13.67 |
| Year Lowest Occurred | 1976 | 1971 | 1988 | 1970 | 1985 | 1990 | 1990 | 1990 | 1988 | 1978 | 1986 | 1989 | 1976 |
| Heating Degree Days (F) | 527. | 350. | 316. | 213. | 100. | 27. | 0. | 5. | 31. | 82. | 309. | 524. | 2484. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 21. | 62. | 144. | 205. | 197. | 166. | 45. | 0. | 0. | 840. |