| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 61.1 | 62.0 | 63.6 | 66.4 | 69.3 | 73.0 | 76.0 | 76.9 | 76.8 | 73.7 | 67.3 | 61.1 | 69.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 52.3 | 53.4 | 54.7 | 56.7 | 59.3 | 62.6 | 65.2 | 65.9 | 65.5 | 62.6 | 57.2 | 52.1 | 59.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 43.6 | 44.8 | 45.8 | 47.0 | 49.2 | 52.1 | 54.5 | 54.8 | 54.3 | 51.5 | 47.1 | 43.1 | 49.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 4.95 | 5.12 | 3.97 | 1.39 | 0.47 | 0.10 | 0.02 | 0.04 | 0.26 | 0.93 | 2.16 | 3.71 | 23.12 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 393. | 326. | 322. | 261. | 195. | 105. | 41. | 33. | 50. | 117. | 244. | 400. | 2488. |
| Cooling Degree Days (F) | 0. | 1. | 3. | 12. | 17. | 32. | 49. | 59. | 66. | 43. | 10. | 0. | 293. |