| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.1 | 44.3 | 52.5 | 58.8 | 67.1 | 75.1 | 84.8 | 85.0 | 76.5 | 63.6 | 47.9 | 38.0 | 61.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.9 | 35.6 | 41.9 | 46.7 | 53.6 | 60.6 | 68.5 | 68.5 | 61.3 | 50.4 | 39.0 | 30.8 | 49.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 25.6 | 26.8 | 31.4 | 34.5 | 40.2 | 46.1 | 52.2 | 51.9 | 46.1 | 37.3 | 30.1 | 23.6 | 37.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.58 | 1.14 | 1.09 | 1.07 | 1.37 | 1.02 | 0.29 | 0.33 | 0.55 | 1.03 | 1.60 | 1.67 | 12.74 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 997. | 824. | 715. | 551. | 364. | 176. | 50. | 45. | 163. | 454. | 780. | 1060. | 6179. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 13. | 44. | 158. | 152. | 52. | 3. | 0. | 0. | 422. |