| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.9 | 52.5 | 60.1 | 66.0 | 74.5 | 84.0 | 93.0 | 90.8 | 82.0 | 69.3 | 55.2 | 45.0 | 68.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 33.1 | 38.8 | 45.3 | 51.0 | 59.1 | 67.3 | 74.5 | 72.2 | 63.4 | 52.4 | 41.0 | 32.9 | 52.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 21.4 | 25.2 | 30.4 | 36.0 | 43.7 | 50.5 | 56.1 | 53.7 | 44.9 | 35.5 | 26.9 | 20.8 | 37.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.54 | 0.51 | 0.45 | 0.58 | 0.65 | 0.40 | 0.09 | 0.16 | 0.29 | 0.42 | 0.40 | 0.45 | 4.94 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 987. | 732. | 612. | 421. | 212. | 58. | 5. | 9. | 105. | 393. | 718. | 995. | 5249. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 29. | 126. | 301. | 234. | 59. | 3. | 0. | 0. | 752. |