| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 47.5 | 51.3 | 55.7 | 59.8 | 66.3 | 71.6 | 80.0 | 80.8 | 75.2 | 63.6 | 51.9 | 45.2 | 62.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 40.7 | 42.6 | 46.0 | 49.3 | 54.9 | 59.7 | 65.6 | 65.4 | 60.6 | 52.5 | 44.8 | 39.5 | 51.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 34.0 | 33.9 | 36.3 | 38.7 | 43.5 | 47.9 | 51.1 | 50.0 | 46.0 | 41.4 | 37.7 | 33.8 | 41.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 6.29 | 4.82 | 5.18 | 4.33 | 3.56 | 1.95 | 0.68 | 0.77 | 1.63 | 3.68 | 7.33 | 7.06 | 47.28 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 752. | 627. | 589. | 473. | 321. | 176. | 57. | 57. | 152. | 389. | 606. | 790. | 4988. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 7. | 18. | 74. | 69. | 20. | 1. | 0. | 0. | 190. |