| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.6 | 45.6 | 56.5 | 64.9 | 74.8 | 85.4 | 93.6 | 91.6 | 81.6 | 67.4 | 51.6 | 40.0 | 66.1 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.0 | 35.6 | 44.9 | 52.1 | 60.8 | 69.7 | 77.3 | 75.6 | 66.1 | 53.8 | 41.3 | 31.8 | 53.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 22.3 | 25.7 | 33.3 | 39.3 | 46.8 | 54.0 | 61.0 | 59.7 | 50.7 | 40.2 | 31.1 | 23.5 | 40.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.88 | 1.85 | 1.92 | 2.01 | 2.08 | 1.20 | 0.75 | 0.99 | 1.45 | 2.00 | 1.68 | 1.94 | 19.75 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1055. | 822. | 623. | 391. | 175. | 39. | 2. | 2. | 70. | 352. | 709. | 1031. | 5271. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 4. | 45. | 180. | 383. | 332. | 104. | 5. | 0. | 0. | 1053. |