| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.6 | 46.3 | 56.2 | 63.8 | 72.4 | 79.5 | 87.9 | 86.8 | 78.0 | 63.9 | 47.9 | 35.8 | 63.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.0 | 36.1 | 43.2 | 49.1 | 57.1 | 63.9 | 70.6 | 69.3 | 60.8 | 49.0 | 37.3 | 28.5 | 49.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 23.3 | 25.9 | 30.1 | 34.4 | 41.9 | 48.3 | 53.3 | 51.8 | 43.5 | 34.1 | 26.8 | 21.3 | 36.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.15 | 0.78 | 0.62 | 0.55 | 0.58 | 0.62 | 0.22 | 0.26 | 0.36 | 0.54 | 1.05 | 1.53 | 8.26 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1055. | 809. | 677. | 478. | 262. | 98. | 21. | 27. | 160. | 496. | 829. | 1130. | 6042. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 19. | 65. | 195. | 160. | 32. | 0. | 0. | 0. | 471. |