| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.5 | 42.2 | 53.1 | 61.6 | 71.5 | 81.7 | 91.0 | 89.2 | 78.4 | 64.6 | 48.8 | 37.5 | 63.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.8 | 33.0 | 42.7 | 50.2 | 59.6 | 68.8 | 77.5 | 75.8 | 65.6 | 52.9 | 39.7 | 30.0 | 52.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 21.0 | 23.7 | 32.2 | 38.8 | 47.6 | 55.9 | 64.0 | 62.5 | 52.8 | 41.2 | 30.7 | 22.4 | 41.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.15 | 1.95 | 2.12 | 2.33 | 2.58 | 1.54 | 0.78 | 0.88 | 1.67 | 2.30 | 2.01 | 2.02 | 22.33 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1124. | 897. | 693. | 448. | 211. | 52. | 3. | 4. | 86. | 381. | 757. | 1086. | 5743. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 5. | 42. | 166. | 390. | 340. | 104. | 6. | 0. | 0. | 1053. |