| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.7 | 43.0 | 48.8 | 55.3 | 64.8 | 75.8 | 85.9 | 84.2 | 74.9 | 61.5 | 48.3 | 39.7 | 60.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.0 | 33.9 | 38.9 | 44.3 | 52.8 | 62.1 | 71.5 | 70.0 | 61.2 | 49.8 | 38.6 | 31.0 | 48.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 23.3 | 24.8 | 29.0 | 33.4 | 40.9 | 48.3 | 57.1 | 55.7 | 47.6 | 38.1 | 28.9 | 22.3 | 37.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.41 | 1.21 | 1.67 | 1.52 | 1.80 | 0.68 | 0.55 | 0.53 | 0.58 | 0.85 | 1.11 | 1.10 | 13.01 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1023. | 871. | 809. | 620. | 385. | 147. | 13. | 21. | 156. | 473. | 792. | 1054. | 6363. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 59. | 214. | 175. | 43. | 2. | 0. | 0. | 501. |