| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 47.8 | 54.3 | 59.5 | 64.9 | 73.3 | 81.6 | 90.7 | 90.7 | 83.5 | 69.9 | 53.0 | 45.9 | 68.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 40.3 | 44.2 | 48.3 | 52.8 | 59.8 | 66.8 | 74.1 | 73.7 | 66.8 | 56.0 | 44.7 | 39.3 | 55.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 32.8 | 34.1 | 37.1 | 40.8 | 46.2 | 52.0 | 57.4 | 56.8 | 50.0 | 42.0 | 36.4 | 32.7 | 43.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.43 | 2.01 | 1.71 | 1.38 | 1.31 | 0.62 | 0.28 | 0.40 | 0.57 | 1.13 | 3.02 | 3.49 | 18.35 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 766. | 582. | 518. | 367. | 198. | 54. | 6. | 4. | 59. | 291. | 609. | 797. | 4250. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 3. | 35. | 108. | 286. | 275. | 112. | 10. | 0. | 0. | 828. |