| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 34.4 | 39.0 | 51.0 | 61.6 | 71.2 | 80.0 | 90.0 | 90.2 | 79.8 | 65.0 | 46.9 | 34.3 | 62.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 25.9 | 29.1 | 39.8 | 48.1 | 56.8 | 64.7 | 72.9 | 72.5 | 62.7 | 49.7 | 36.1 | 25.8 | 48.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 17.4 | 19.2 | 28.5 | 34.6 | 42.3 | 49.3 | 55.7 | 54.8 | 45.6 | 34.3 | 25.2 | 17.2 | 35.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.51 | 2.30 | 2.27 | 1.83 | 2.02 | 1.54 | 0.53 | 0.56 | 0.84 | 1.47 | 3.10 | 2.74 | 21.71 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1212. | 1005. | 783. | 507. | 275. | 97. | 17. | 16. | 132. | 478. | 868. | 1216. | 6607. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 19. | 86. | 260. | 248. | 63. | 2. | 0. | 0. | 680. |