| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.1 | 45.5 | 53.4 | 60.4 | 68.5 | 75.5 | 86.4 | 86.0 | 75.9 | 63.0 | 48.2 | 39.4 | 62.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 34.3 | 37.1 | 43.7 | 49.4 | 56.6 | 63.0 | 71.0 | 70.4 | 61.6 | 50.7 | 40.0 | 32.7 | 50.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 27.4 | 28.8 | 33.9 | 38.4 | 44.7 | 50.4 | 55.6 | 54.8 | 47.3 | 38.5 | 31.9 | 26.1 | 39.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.28 | 1.71 | 2.18 | 1.72 | 1.75 | 1.27 | 0.47 | 0.50 | 0.79 | 1.51 | 2.70 | 2.19 | 19.07 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 953. | 780. | 662. | 469. | 282. | 129. | 25. | 32. | 156. | 443. | 748. | 999. | 5680. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 22. | 68. | 210. | 199. | 54. | 2. | 0. | 0. | 556. |