| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.3 | 38.5 | 47.4 | 56.5 | 65.4 | 72.9 | 82.8 | 82.4 | 71.9 | 58.5 | 42.9 | 33.4 | 57.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 24.7 | 27.5 | 35.5 | 43.3 | 51.7 | 58.5 | 66.2 | 65.2 | 56.1 | 45.0 | 32.1 | 22.8 | 44.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 14.0 | 16.5 | 23.7 | 30.1 | 37.9 | 44.0 | 49.6 | 47.9 | 40.3 | 31.6 | 21.2 | 12.2 | 30.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.55 | 0.54 | 1.03 | 1.78 | 2.81 | 2.78 | 1.41 | 1.21 | 1.26 | 1.38 | 0.90 | 0.54 | 16.19 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1251. | 1050. | 913. | 651. | 416. | 213. | 56. | 70. | 279. | 619. | 988. | 1308. | 7815. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 2. | 17. | 93. | 74. | 12. | 0. | 0. | 0. | 199. |