| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.2 | 37.8 | 47.9 | 56.8 | 67.1 | 78.8 | 88.1 | 86.4 | 74.3 | 59.4 | 44.7 | 34.2 | 59.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 24.7 | 26.7 | 35.2 | 42.7 | 52.2 | 62.2 | 70.5 | 69.0 | 57.9 | 45.2 | 33.2 | 23.8 | 45.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 14.3 | 15.7 | 22.4 | 28.6 | 37.2 | 45.7 | 53.0 | 51.5 | 41.4 | 31.0 | 21.6 | 13.5 | 31.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.51 | 0.57 | 0.82 | 1.29 | 2.02 | 1.61 | 1.41 | 0.85 | 1.08 | 1.11 | 0.76 | 0.49 | 12.52 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1248. | 1071. | 925. | 669. | 402. | 136. | 16. | 30. | 239. | 614. | 955. | 1275. | 7581. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 53. | 188. | 152. | 25. | 0. | 0. | 0. | 423. |