| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 28.8 | 32.7 | 42.4 | 53.9 | 64.4 | 74.1 | 84.2 | 83.4 | 72.2 | 57.8 | 39.5 | 28.4 | 55.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 20.0 | 23.3 | 32.4 | 41.8 | 51.1 | 59.7 | 68.9 | 67.5 | 57.0 | 44.8 | 30.0 | 19.8 | 43.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 11.2 | 13.9 | 22.4 | 29.7 | 37.7 | 45.2 | 53.5 | 51.7 | 41.8 | 31.8 | 20.5 | 11.1 | 31.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.65 | 1.50 | 1.36 | 1.32 | 1.64 | 1.42 | 0.72 | 0.68 | 0.70 | 1.12 | 1.42 | 2.08 | 15.61 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1395. | 1167. | 1011. | 696. | 435. | 193. | 34. | 43. | 255. | 626. | 1050. | 1403. | 8308. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 3. | 32. | 153. | 122. | 15. | 0. | 0. | 0. | 326. |