| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 56.1 | 61.0 | 65.6 | 70.7 | 76.9 | 83.3 | 88.9 | 88.4 | 85.5 | 76.9 | 64.4 | 56.4 | 72.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 47.6 | 51.2 | 54.7 | 58.4 | 63.6 | 68.8 | 72.8 | 72.5 | 70.2 | 63.4 | 53.9 | 47.8 | 60.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 39.0 | 41.5 | 43.9 | 46.0 | 50.2 | 54.2 | 56.8 | 56.7 | 54.9 | 50.0 | 43.4 | 39.1 | 48.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.87 | 2.88 | 2.36 | 1.01 | 0.48 | 0.09 | 0.00 | 0.05 | 0.22 | 0.85 | 1.84 | 2.58 | 15.23 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 541. | 385. | 319. | 212. | 102. | 25. | 2. | 1. | 12. | 95. | 334. | 535. | 2562. |
| Cooling Degree Days (F) | 0. | 0. | 1. | 13. | 57. | 137. | 245. | 236. | 168. | 47. | 1. | 0. | 904. |