| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.9 | 46.8 | 54.5 | 62.4 | 73.2 | 85.7 | 88.9 | 84.6 | 79.3 | 66.2 | 51.6 | 41.9 | 64.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 26.7 | 32.8 | 39.5 | 46.6 | 55.3 | 65.1 | 70.2 | 68.0 | 60.8 | 49.1 | 37.1 | 28.3 | 48.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 12.5 | 18.8 | 24.5 | 30.9 | 37.4 | 44.5 | 51.4 | 51.4 | 42.2 | 31.9 | 22.6 | 14.6 | 32.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | |||||||||||||
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1187. | 902. | 791. | 550. | 302. | 62. | 5. | 11. | 148. | 495. | 837. | 1139. | 6428. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 2. | 65. | 164. | 103. | 20. | 0. | 0. | 0. | 354. |