| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 64.6 | 64.3 | 64.4 | 66.4 | 68.1 | 70.6 | 73.8 | 74.9 | 74.6 | 72.5 | 68.9 | 64.6 | 69.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 56.7 | 57.1 | 58.0 | 60.1 | 62.7 | 65.5 | 68.8 | 69.6 | 68.9 | 65.9 | 61.1 | 56.6 | 62.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 48.8 | 50.0 | 51.7 | 53.8 | 57.3 | 60.5 | 63.7 | 64.3 | 63.2 | 59.3 | 53.2 | 48.7 | 56.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.71 | 3.25 | 1.85 | 0.70 | 0.22 | 0.08 | 0.03 | 0.05 | 0.21 | 0.56 | 1.11 | 2.05 | 12.82 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 262. | 225. | 221. | 158. | 86. | 25. | 2. | 2. | 5. | 35. | 138. | 260. | 1420. |
| Cooling Degree Days (F) | 4. | 5. | 6. | 11. | 14. | 42. | 119. | 145. | 122. | 63. | 19. | 1. | 552. |