| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 28.0 | 32.5 | 40.5 | 48.6 | 59.9 | 70.3 | 76.4 | 73.6 | 65.8 | 53.7 | 36.9 | 27.1 | 51.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 16.4 | 20.5 | 28.4 | 36.0 | 45.5 | 53.1 | 59.0 | 57.2 | 49.7 | 39.4 | 25.9 | 17.0 | 37.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 4.9 | 8.5 | 16.2 | 23.4 | 31.1 | 35.8 | 41.7 | 40.8 | 33.7 | 25.1 | 14.9 | 6.8 | 23.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.70 | 2.05 | 2.19 | 2.38 | 1.96 | 1.49 | 1.89 | 1.95 | 2.12 | 1.79 | 1.92 | 1.63 | 23.07 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1505. | 1246. | 1136. | 870. | 605. | 359. | 187. | 243. | 458. | 794. | 1173. | 1489. | 10063. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 0. | 2. | 1. | 0. | 0. | 0. | 0. | 3. |