| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 47.5 | 51.3 | 58.7 | 66.9 | 76.0 | 85.8 | 91.8 | 89.3 | 80.8 | 69.5 | 55.1 | 45.8 | 68.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 33.6 | 38.3 | 44.7 | 51.8 | 60.7 | 70.0 | 75.4 | 73.2 | 65.2 | 54.1 | 41.0 | 32.0 | 53.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 19.8 | 25.2 | 30.7 | 36.6 | 45.4 | 54.1 | 59.0 | 57.1 | 49.6 | 38.8 | 26.8 | 18.1 | 38.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.67 | 1.02 | 0.71 | 0.35 | 0.48 | 0.18 | 0.85 | 0.85 | 0.32 | 0.29 | 0.52 | 0.59 | 6.83 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 972. | 749. | 629. | 400. | 172. | 31. | 1. | 2. | 68. | 340. | 721. | 1024. | 5108. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 39. | 179. | 323. | 256. | 74. | 3. | 0. | 0. | 876. |