| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.7 | 47.4 | 57.5 | 65.1 | 73.3 | 80.1 | 88.3 | 87.5 | 78.3 | 64.4 | 49.1 | 38.3 | 64.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 34.8 | 38.8 | 46.4 | 52.8 | 60.4 | 67.0 | 73.7 | 72.9 | 64.3 | 52.4 | 41.4 | 32.8 | 53.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 28.8 | 30.1 | 35.4 | 40.5 | 47.5 | 54.0 | 59.1 | 58.3 | 50.3 | 40.4 | 33.7 | 27.4 | 42.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.01 | 0.77 | 0.69 | 0.60 | 0.65 | 0.50 | 0.25 | 0.16 | 0.31 | 0.54 | 1.02 | 1.12 | 7.62 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 938. | 735. | 575. | 368. | 177. | 44. | 5. | 5. | 87. | 392. | 708. | 996. | 5029. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 34. | 106. | 274. | 250. | 66. | 1. | 0. | 0. | 733. |