| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.3 | 41.8 | 51.7 | 59.7 | 69.6 | 80.1 | 89.5 | 88.0 | 77.7 | 63.6 | 48.4 | 37.3 | 62.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.4 | 32.2 | 41.1 | 48.2 | 57.1 | 66.6 | 75.5 | 74.1 | 63.7 | 50.9 | 38.3 | 28.7 | 50.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 19.5 | 22.7 | 30.6 | 36.7 | 44.5 | 53.1 | 61.6 | 60.2 | 49.7 | 38.3 | 28.2 | 20.1 | 38.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.51 | 1.73 | 2.01 | 2.08 | 2.17 | 1.09 | 0.64 | 0.88 | 1.46 | 2.09 | 1.56 | 1.60 | 18.82 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1135. | 917. | 740. | 507. | 272. | 80. | 7. | 7. | 120. | 439. | 801. | 1125. | 6148. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 26. | 128. | 333. | 289. | 81. | 3. | 0. | 0. | 863. |