| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 57.6 | 61.5 | 68.3 | 74.8 | 82.0 | 85.4 | 84.2 | 82.5 | 78.8 | 72.8 | 64.8 | 58.8 | 72.6 |
| Highest Mean Max. Temperature (F) | 62.6 | 68.2 | 75.4 | 82.6 | 88.6 | 91.2 | 90.2 | 88.0 | 86.7 | 79.6 | 72.3 | 65.2 | 91.2 |
| Year Highest Occurred | 2000 | 1976 | 1972 | 1972 | 1996 | 1980 | 1980 | 1977 | 1977 | 1979 | 1973 | 1977 | 1980 |
| Lowest Mean Max. Temperature (F) | 48.2 | 55.4 | 61.7 | 66.8 | 74.3 | 80.1 | 79.0 | 77.6 | 72.6 | 67.3 | 56.8 | 52.3 | 48.2 |
| Year Lowest Occurred | 1992 | 1992 | 1981 | 1997 | 1992 | 1986 | 1976 | 1971 | 1991 | 1980 | 1976 | 1986 | 1992 |
| Mean Temperature (F) | 46.9 | 50.3 | 56.2 | 62.6 | 70.3 | 74.2 | 74.1 | 72.6 | 68.8 | 62.3 | 54.1 | 48.3 | 61.7 |
| Highest Mean Temperature (F) | 51.9 | 55.7 | 62.2 | 68.0 | 76.8 | 79.3 | 78.7 | 76.9 | 75.1 | 67.2 | 60.7 | 54.8 | 79.3 |
| Year Highest Occurred | 2000 | 2000 | 1974 | 1972 | 1996 | 1980 | 1980 | 1977 | 1977 | 1979 | 1973 | 1984 | 1980 |
| Lowest Mean Temperature (F) | 40.4 | 45.8 | 50.2 | 56.1 | 64.3 | 70.3 | 69.8 | 68.4 | 64.0 | 55.2 | 46.4 | 43.1 | 40.4 |
| Year Lowest Occurred | 1985 | 1973 | 1987 | 1997 | 1992 | 1986 | 1976 | 1971 | 1991 | 1976 | 1976 | 1989 | 1985 |
| Mean Min. Temperature (F) | 36.1 | 39.1 | 44.0 | 50.3 | 58.5 | 63.0 | 63.9 | 62.6 | 58.8 | 51.7 | 43.4 | 37.7 | 50.8 |
| Highest Mean Min. Temperature (F) | 41.4 | 45.0 | 50.0 | 55.8 | 64.9 | 67.7 | 67.2 | 65.8 | 63.5 | 54.8 | 49.1 | 45.8 | 67.7 |
| Year Highest Occurred | 1980 | 2000 | 1974 | 1986 | 1996 | 1990 | 1980 | 1977 | 1977 | 1998 | 1973 | 1984 | 1990 |
| Lowest Mean Min. Temperature (F) | 30.3 | 34.8 | 37.5 | 43.8 | 52.8 | 60.4 | 60.5 | 59.2 | 55.0 | 42.6 | 35.9 | 31.5 | 30.3 |
| Year Lowest Occurred | 1985 | 1977 | 1987 | 1983 | 1976 | 1987 | 1976 | 1971 | 1974 | 1976 | 1976 | 1989 | 1985 |
| Mean Precipitation (in.) | 0.55 | 0.69 | 0.36 | 0.61 | 1.60 | 2.42 | 3.55 | 3.72 | 2.71 | 1.72 | 0.66 | 0.58 | 19.17 |
| Highest Precipitation (in.) | 1.63 | 3.96 | 1.74 | 3.84 | 5.30 | 8.08 | 10.69 | 10.71 | 7.65 | 7.49 | 2.71 | 3.00 | 10.71 |
| Year Highest Occurred | 1986 | 1992 | 1997 | 1981 | 1988 | 1986 | 1991 | 1980 | 1978 | 1971 | 1978 | 1991 | 1980 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.39 | 0.42 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 2000 | 1976 | 1996 | 1998 | 2000 | 1974 | 1995 | 1977 | 2000 | 1979 | 1999 | 1999 | 2000 |
| Heating Degree Days (F) | 562. | 412. | 284. | 137. | 36. | 3. | 0. | 2. | 29. | 132. | 340. | 518. | 2455. |
| Cooling Degree Days (F) | 0. | 0. | 9. | 65. | 199. | 279. | 279. | 236. | 142. | 47. | 12. | 0. | 1268. |