| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.6 | 46.5 | 54.9 | 62.3 | 70.9 | 78.5 | 89.3 | 88.8 | 78.2 | 62.6 | 48.2 | 39.5 | 63.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 35.6 | 38.7 | 45.3 | 51.3 | 59.0 | 66.0 | 74.4 | 74.0 | 64.6 | 51.8 | 41.1 | 33.7 | 53.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 29.6 | 30.9 | 35.6 | 40.3 | 47.0 | 53.4 | 59.6 | 59.2 | 51.0 | 41.1 | 34.1 | 28.0 | 42.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.08 | 0.78 | 1.15 | 1.32 | 1.61 | 1.24 | 0.66 | 0.69 | 0.67 | 0.96 | 1.18 | 0.97 | 12.31 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 911. | 736. | 612. | 413. | 217. | 70. | 7. | 8. | 99. | 411. | 715. | 968. | 5169. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 30. | 98. | 300. | 287. | 87. | 3. | 0. | 0. | 807. |