| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 46.3 | 50.0 | 54.5 | 58.0 | 64.9 | 70.4 | 79.8 | 80.6 | 75.3 | 63.0 | 51.3 | 44.7 | 61.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 39.4 | 41.8 | 45.0 | 48.2 | 54.0 | 58.9 | 65.2 | 65.5 | 61.5 | 52.4 | 44.0 | 38.6 | 51.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 32.6 | 33.6 | 35.5 | 38.3 | 43.0 | 47.3 | 50.6 | 50.3 | 47.7 | 41.7 | 36.7 | 32.5 | 40.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 14.56 | 9.61 | 8.18 | 6.16 | 2.90 | 2.11 | 0.57 | 0.72 | 1.61 | 5.19 | 12.16 | 15.40 | 79.17 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 792. | 649. | 620. | 505. | 347. | 203. | 65. | 57. | 132. | 393. | 630. | 818. | 5212. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 5. | 19. | 71. | 71. | 27. | 1. | 0. | 0. | 193. |