| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.9 | 47.0 | 57.6 | 65.4 | 74.5 | 84.0 | 93.6 | 92.4 | 82.0 | 67.6 | 50.5 | 39.6 | 66.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.2 | 37.4 | 46.4 | 53.1 | 61.7 | 70.2 | 78.5 | 76.7 | 66.8 | 54.4 | 40.9 | 31.8 | 54.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 24.5 | 27.8 | 35.2 | 40.7 | 48.9 | 56.4 | 63.4 | 61.1 | 51.5 | 41.2 | 31.3 | 24.0 | 42.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.83 | 0.58 | 0.94 | 0.88 | 1.17 | 0.63 | 0.27 | 0.19 | 0.38 | 0.48 | 0.89 | 0.96 | 8.20 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1017. | 773. | 577. | 364. | 162. | 35. | 2. | 4. | 66. | 338. | 723. | 1029. | 5088. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 5. | 60. | 191. | 420. | 368. | 118. | 9. | 0. | 0. | 1172. |