| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 46.6 | 52.9 | 58.8 | 64.4 | 72.4 | 79.7 | 88.5 | 88.8 | 82.2 | 69.1 | 52.1 | 44.3 | 66.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 40.9 | 44.3 | 48.1 | 52.2 | 58.8 | 65.1 | 71.8 | 71.3 | 64.7 | 55.2 | 45.4 | 39.8 | 54.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 35.1 | 35.7 | 37.3 | 39.9 | 45.2 | 50.4 | 55.0 | 53.7 | 47.2 | 41.3 | 38.7 | 35.3 | 42.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 4.77 | 3.95 | 3.38 | 2.12 | 1.36 | 0.68 | 0.32 | 0.30 | 0.64 | 1.93 | 5.04 | 6.49 | 30.98 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 749. | 580. | 525. | 388. | 220. | 81. | 12. | 13. | 81. | 308. | 588. | 781. | 4326. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 28. | 83. | 221. | 206. | 72. | 4. | 0. | 0. | 617. |