| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 49.5 | 55.3 | 60.3 | 65.5 | 73.8 | 81.4 | 90.3 | 90.2 | 83.6 | 71.6 | 54.7 | 47.5 | 68.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 39.3 | 42.7 | 46.5 | 50.7 | 57.6 | 63.8 | 70.4 | 69.8 | 63.4 | 54.3 | 43.7 | 38.4 | 53.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 29.2 | 30.2 | 32.6 | 35.9 | 41.5 | 46.3 | 50.5 | 49.3 | 43.2 | 37.1 | 32.7 | 29.3 | 38.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 3.69 | 2.86 | 2.66 | 1.97 | 1.26 | 0.68 | 0.55 | 0.46 | 0.62 | 1.68 | 3.74 | 4.95 | 25.12 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 795. | 623. | 575. | 430. | 247. | 96. | 18. | 16. | 104. | 335. | 639. | 824. | 4703. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 19. | 62. | 185. | 164. | 56. | 4. | 0. | 0. | 491. |