| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 51.4 | 57.0 | 62.3 | 68.4 | 76.6 | 84.7 | 94.1 | 94.2 | 87.9 | 74.1 | 57.1 | 49.7 | 71.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 42.2 | 45.4 | 48.8 | 52.8 | 59.2 | 65.8 | 72.8 | 71.9 | 66.3 | 56.6 | 46.8 | 41.4 | 55.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 33.1 | 33.7 | 35.2 | 37.2 | 41.8 | 46.9 | 51.5 | 49.7 | 44.6 | 39.1 | 36.6 | 33.0 | 40.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 10.77 | 9.01 | 7.86 | 4.28 | 2.42 | 0.94 | 0.28 | 0.39 | 0.80 | 3.53 | 9.59 | 13.00 | 62.87 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 705. | 550. | 504. | 368. | 205. | 66. | 8. | 6. | 56. | 268. | 545. | 733. | 4013. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 25. | 90. | 250. | 222. | 93. | 7. | 0. | 0. | 689. |