| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 30.3 | 35.3 | 43.9 | 52.2 | 61.7 | 69.9 | 80.6 | 80.9 | 70.9 | 57.5 | 39.9 | 29.7 | 54.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 20.8 | 23.8 | 32.0 | 39.3 | 47.7 | 54.9 | 62.9 | 62.2 | 53.1 | 42.6 | 30.7 | 20.8 | 41.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 11.4 | 12.3 | 20.2 | 26.4 | 33.7 | 39.8 | 45.2 | 43.5 | 35.3 | 27.8 | 21.4 | 11.9 | 27.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.66 | 2.33 | 2.33 | 2.04 | 2.09 | 1.65 | 0.63 | 0.56 | 0.92 | 1.58 | 2.92 | 3.35 | 23.06 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1369. | 1154. | 1022. | 771. | 537. | 310. | 111. | 121. | 358. | 693. | 1031. | 1370. | 8846. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 6. | 46. | 34. | 1. | 0. | 0. | 0. | 88. |