| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.3 | 41.4 | 51.6 | 59.4 | 69.2 | 80.0 | 90.3 | 88.5 | 78.5 | 64.5 | 48.2 | 37.2 | 62.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 25.1 | 29.9 | 38.9 | 45.2 | 53.4 | 62.2 | 70.2 | 68.2 | 58.8 | 46.6 | 34.7 | 26.0 | 46.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 13.9 | 18.4 | 26.2 | 31.0 | 37.6 | 44.4 | 50.1 | 47.9 | 39.1 | 28.7 | 21.2 | 14.7 | 31.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.12 | 0.84 | 1.00 | 0.97 | 0.96 | 0.65 | 0.37 | 0.37 | 0.57 | 0.75 | 1.11 | 1.20 | 9.91 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1237. | 983. | 809. | 594. | 364. | 131. | 19. | 32. | 207. | 571. | 909. | 1210. | 7065. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 47. | 180. | 131. | 21. | 0. | 0. | 0. | 383. |