| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 65.1 | 65.0 | 65.6 | 67.5 | 68.5 | 70.8 | 74.6 | 76.4 | 75.9 | 72.8 | 69.0 | 64.7 | 69.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 57.1 | 57.9 | 59.4 | 61.7 | 64.0 | 66.4 | 70.0 | 71.6 | 70.6 | 66.7 | 61.3 | 56.5 | 63.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 49.0 | 50.7 | 53.2 | 55.9 | 59.4 | 62.0 | 65.4 | 66.7 | 65.2 | 60.6 | 53.6 | 48.4 | 57.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.98 | 2.27 | 1.81 | 0.78 | 0.12 | 0.07 | 0.03 | 0.02 | 0.15 | 0.57 | 1.01 | 1.53 | 10.34 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 248. | 203. | 178. | 113. | 58. | 18. | 1. | 0. | 1. | 19. | 124. | 262. | 1226. |
| Cooling Degree Days (F) | 2. | 3. | 5. | 14. | 25. | 60. | 156. | 203. | 168. | 71. | 13. | 0. | 720. |