| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.6 | 44.1 | 54.3 | 62.5 | 72.2 | 83.4 | 91.1 | 89.2 | 80.2 | 66.5 | 51.4 | 38.7 | 64.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 27.4 | 32.4 | 41.2 | 48.2 | 56.7 | 66.6 | 74.1 | 72.6 | 63.6 | 51.3 | 38.6 | 27.6 | 50.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 16.2 | 20.7 | 28.1 | 33.8 | 41.2 | 49.8 | 57.1 | 56.0 | 47.1 | 36.1 | 25.7 | 16.5 | 35.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.26 | 1.34 | 1.68 | 1.60 | 1.61 | 0.87 | 0.70 | 0.82 | 1.23 | 1.71 | 1.20 | 1.29 | 15.31 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1166. | 913. | 738. | 506. | 270. | 67. | 3. | 4. | 107. | 427. | 794. | 1159. | 6154. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 13. | 115. | 285. | 240. | 66. | 2. | 0. | 0. | 723. |