| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.6 | 42.6 | 49.7 | 58.4 | 68.8 | 80.0 | 85.3 | 82.4 | 74.7 | 62.2 | 49.1 | 39.7 | 61.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.5 | 32.7 | 39.2 | 46.2 | 55.7 | 65.5 | 71.4 | 69.3 | 61.8 | 50.0 | 38.6 | 29.8 | 49.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 19.5 | 22.8 | 28.7 | 34.0 | 42.6 | 51.0 | 57.4 | 56.2 | 48.9 | 37.8 | 28.0 | 20.0 | 37.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.80 | 1.63 | 1.74 | 1.29 | 1.04 | 0.49 | 1.60 | 2.25 | 1.87 | 1.72 | 1.55 | 1.52 | 18.50 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1099. | 904. | 800. | 564. | 297. | 73. | 7. | 12. | 131. | 465. | 793. | 1089. | 6235. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 9. | 87. | 203. | 145. | 35. | 0. | 0. | 0. | 480. |