| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.4 | 61.2 | 66.8 | 72.7 | 80.9 | 87.9 | 93.3 | 92.2 | 87.9 | 77.9 | 63.7 | 54.3 | 74.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 47.5 | 52.4 | 56.6 | 60.9 | 67.4 | 73.2 | 77.1 | 76.3 | 73.1 | 65.4 | 54.6 | 47.3 | 62.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 40.7 | 43.7 | 46.5 | 49.0 | 53.9 | 58.4 | 60.9 | 60.5 | 58.4 | 52.8 | 45.5 | 40.4 | 50.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 3.97 | 3.69 | 3.02 | 1.30 | 0.76 | 0.19 | 0.00 | 0.03 | 0.35 | 1.05 | 2.43 | 3.48 | 20.27 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 541. | 351. | 262. | 155. | 51. | 6. | 0. | 1. | 6. | 68. | 313. | 547. | 2301. |
| Cooling Degree Days (F) | 0. | 0. | 4. | 31. | 125. | 251. | 375. | 352. | 250. | 79. | 1. | 0. | 1468. |