| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.6 | 43.3 | 54.4 | 63.3 | 72.1 | 80.8 | 90.9 | 89.6 | 79.9 | 65.1 | 47.0 | 36.2 | 63.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 27.7 | 32.8 | 41.9 | 48.9 | 57.2 | 65.3 | 73.7 | 72.0 | 62.5 | 49.8 | 35.9 | 27.1 | 49.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 18.7 | 22.4 | 29.4 | 34.6 | 42.4 | 49.8 | 56.5 | 54.4 | 45.1 | 34.4 | 24.9 | 18.1 | 35.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.14 | 0.88 | 0.86 | 0.87 | 1.16 | 0.85 | 0.49 | 0.55 | 0.38 | 0.63 | 1.07 | 1.61 | 10.49 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1158. | 900. | 716. | 482. | 263. | 85. | 11. | 17. | 134. | 474. | 871. | 1173. | 6285. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 23. | 95. | 280. | 234. | 59. | 1. | 0. | 0. | 692. |