| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.4 | 49.4 | 57.2 | 63.8 | 71.6 | 79.5 | 89.8 | 89.3 | 79.9 | 66.9 | 52.6 | 42.9 | 65.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 36.2 | 38.6 | 44.9 | 50.0 | 57.1 | 63.7 | 71.2 | 70.7 | 62.3 | 51.8 | 41.7 | 34.0 | 51.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 27.0 | 27.9 | 32.6 | 36.3 | 42.6 | 47.9 | 52.5 | 52.1 | 44.8 | 36.6 | 30.8 | 25.1 | 38.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.38 | 1.11 | 1.64 | 1.47 | 1.99 | 1.44 | 0.39 | 0.53 | 0.62 | 0.98 | 1.63 | 1.31 | 14.49 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 893. | 738. | 623. | 449. | 265. | 104. | 20. | 20. | 132. | 413. | 699. | 961. | 5316. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 20. | 65. | 211. | 196. | 52. | 2. | 0. | 0. | 547. |