| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 56.3 | 59.5 | 62.1 | 64.7 | 67.6 | 70.6 | 72.0 | 72.7 | 73.6 | 70.4 | 62.9 | 56.6 | 65.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 50.3 | 52.9 | 54.9 | 56.9 | 59.6 | 62.2 | 63.7 | 64.5 | 64.7 | 61.8 | 55.8 | 50.6 | 58.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 44.2 | 46.3 | 47.7 | 49.1 | 51.6 | 53.8 | 55.4 | 56.3 | 55.8 | 53.2 | 48.7 | 44.6 | 50.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 4.19 | 4.06 | 2.96 | 1.29 | 0.47 | 0.11 | 0.00 | 0.04 | 0.17 | 0.95 | 2.38 | 4.03 | 20.65 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 457. | 339. | 314. | 248. | 180. | 105. | 65. | 48. | 53. | 121. | 277. | 446. | 2653. |
| Cooling Degree Days (F) | 0. | 0. | 1. | 5. | 13. | 21. | 24. | 33. | 44. | 22. | 1. | 0. | 163. |