| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.3 | 44.3 | 53.8 | 62.5 | 72.3 | 82.6 | 91.7 | 90.1 | 79.4 | 65.2 | 49.7 | 39.3 | 64.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.8 | 35.1 | 43.8 | 51.3 | 60.4 | 70.0 | 78.7 | 77.1 | 66.6 | 53.6 | 40.4 | 31.2 | 53.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 22.4 | 25.8 | 33.7 | 40.2 | 48.4 | 57.5 | 65.6 | 64.0 | 53.7 | 41.9 | 31.0 | 23.1 | 42.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.41 | 1.73 | 2.44 | 2.29 | 2.43 | 1.16 | 0.89 | 0.91 | 1.41 | 1.85 | 1.89 | 1.67 | 20.08 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1059. | 838. | 659. | 417. | 200. | 49. | 4. | 3. | 81. | 365. | 740. | 1048. | 5464. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 8. | 56. | 201. | 426. | 376. | 128. | 10. | 0. | 0. | 1206. |