| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.1 | 43.0 | 53.1 | 61.1 | 70.9 | 80.1 | 90.7 | 89.3 | 79.2 | 64.7 | 47.0 | 36.2 | 62.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 26.3 | 31.0 | 40.5 | 46.9 | 55.5 | 63.1 | 71.1 | 69.4 | 60.1 | 47.8 | 35.3 | 26.0 | 47.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 16.6 | 19.1 | 27.8 | 32.8 | 40.0 | 46.1 | 51.4 | 49.5 | 40.9 | 31.0 | 23.5 | 15.9 | 33.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.92 | 2.07 | 2.30 | 1.99 | 2.00 | 1.13 | 0.41 | 0.35 | 0.68 | 1.52 | 2.61 | 3.93 | 21.91 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1198. | 950. | 761. | 541. | 306. | 114. | 21. | 31. | 179. | 532. | 893. | 1207. | 6734. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 10. | 57. | 209. | 167. | 30. | 1. | 0. | 0. | 474. |