| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 46.7 | 48.6 | 52.1 | 56.0 | 61.2 | 65.4 | 69.9 | 70.4 | 65.9 | 57.9 | 50.7 | 45.8 | 57.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 39.5 | 40.3 | 43.2 | 46.8 | 52.3 | 56.8 | 60.3 | 60.3 | 55.6 | 48.6 | 42.8 | 38.7 | 48.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 32.2 | 31.9 | 34.3 | 37.5 | 43.4 | 48.2 | 50.8 | 50.2 | 45.2 | 39.3 | 34.9 | 31.5 | 40.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.04 | 1.20 | 1.29 | 1.08 | 1.25 | 0.97 | 0.54 | 0.59 | 0.80 | 1.45 | 2.66 | 2.15 | 16.02 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 792. | 693. | 676. | 547. | 394. | 248. | 153. | 152. | 284. | 508. | 666. | 817. | 5931. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 2. | 9. | 6. | 0. | 0. | 0. | 0. | 18. |