| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 50.1 | 51.6 | 53.3 | 55.3 | 58.6 | 61.1 | 64.3 | 65.4 | 65.2 | 60.2 | 53.0 | 49.0 | 57.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 44.3 | 44.7 | 46.3 | 48.3 | 52.0 | 55.3 | 58.3 | 59.0 | 57.0 | 52.6 | 47.2 | 43.2 | 50.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 38.6 | 37.9 | 39.2 | 41.2 | 45.4 | 49.5 | 52.3 | 52.5 | 48.9 | 44.9 | 41.4 | 37.3 | 44.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 10.89 | 8.47 | 8.75 | 5.91 | 4.08 | 3.10 | 1.45 | 1.39 | 2.44 | 6.52 | 11.80 | 10.55 | 75.35 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 640. | 567. | 581. | 502. | 403. | 291. | 208. | 189. | 243. | 386. | 534. | 677. | 5222. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 0. | 1. | 4. | 0. | 0. | 0. | 6. |