| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 54.0 | 57.9 | 65.5 | 72.7 | 82.4 | 92.0 | 98.4 | 96.3 | 88.2 | 76.1 | 62.6 | 53.3 | 75.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 38.5 | 42.2 | 48.3 | 54.5 | 63.3 | 71.5 | 77.3 | 75.0 | 67.6 | 56.8 | 45.2 | 37.7 | 56.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 23.0 | 26.5 | 31.2 | 36.3 | 44.2 | 51.0 | 56.2 | 53.8 | 47.0 | 37.4 | 27.8 | 22.1 | 38.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.05 | 0.85 | 0.53 | 0.26 | 0.19 | 0.19 | 0.17 | 0.13 | 0.19 | 0.30 | 0.52 | 0.80 | 5.18 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 822. | 638. | 516. | 319. | 116. | 19. | 1. | 1. | 41. | 264. | 594. | 846. | 4178. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 4. | 64. | 214. | 382. | 313. | 119. | 8. | 0. | 0. | 1104. |