| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.6 | 39.5 | 46.4 | 56.3 | 67.1 | 76.7 | 82.6 | 81.3 | 74.5 | 63.2 | 52.9 | 42.7 | 60.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.5 | 31.3 | 38.2 | 47.9 | 57.8 | 67.9 | 74.2 | 73.1 | 66.0 | 54.8 | 45.1 | 34.9 | 51.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 21.5 | 23.2 | 29.9 | 39.4 | 48.5 | 59.1 | 65.8 | 64.9 | 57.6 | 46.4 | 37.3 | 27.1 | 43.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 3.83 | 3.92 | 5.26 | 4.43 | 3.62 | 4.25 | 3.81 | 4.52 | 4.19 | 4.47 | 4.84 | 4.79 | 51.93 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1099. | 942. | 832. | 516. | 243. | 44. | 2. | 4. | 68. | 326. | 597. | 933. | 5606. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 19. | 131. | 287. | 255. | 99. | 10. | 0. | 0. | 804. |