| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 30.1 | 32.7 | 39.9 | 49.2 | 60.4 | 70.6 | 76.9 | 75.8 | 67.6 | 55.2 | 39.0 | 30.1 | 52.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 19.0 | 20.6 | 27.6 | 36.1 | 45.8 | 53.9 | 60.0 | 59.0 | 50.7 | 40.3 | 27.5 | 19.2 | 38.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 8.0 | 8.5 | 15.4 | 23.0 | 31.2 | 37.1 | 43.1 | 42.3 | 33.8 | 25.4 | 15.9 | 8.4 | 24.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.99 | 0.86 | 0.77 | 1.29 | 1.51 | 1.23 | 1.69 | 1.34 | 1.59 | 1.23 | 1.15 | 1.14 | 14.79 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1424. | 1243. | 1158. | 867. | 595. | 336. | 162. | 190. | 429. | 766. | 1126. | 1418. | 9715. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 1. | 7. | 5. | 0. | 0. | 0. | 0. | 14. |