| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.7 | 47.5 | 57.6 | 65.3 | 74.1 | 81.1 | 89.3 | 88.6 | 80.0 | 66.2 | 49.7 | 37.0 | 64.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.2 | 37.4 | 45.4 | 52.1 | 60.3 | 67.2 | 74.0 | 72.8 | 64.0 | 51.6 | 39.5 | 29.8 | 52.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 24.6 | 27.3 | 33.3 | 39.0 | 46.6 | 53.4 | 58.8 | 56.9 | 48.1 | 37.0 | 29.4 | 22.7 | 39.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.03 | 0.70 | 0.61 | 0.55 | 0.75 | 0.67 | 0.27 | 0.27 | 0.36 | 0.57 | 1.11 | 1.42 | 8.31 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1018. | 773. | 606. | 389. | 189. | 58. | 9. | 9. | 100. | 418. | 764. | 1089. | 5422. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 45. | 125. | 290. | 250. | 71. | 2. | 0. | 0. | 786. |