| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.4 | 40.7 | 48.0 | 55.4 | 63.4 | 71.4 | 81.6 | 81.1 | 72.4 | 60.3 | 44.8 | 36.5 | 57.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 27.2 | 29.7 | 35.1 | 40.3 | 47.3 | 54.3 | 62.2 | 61.4 | 53.2 | 44.0 | 33.1 | 26.2 | 42.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 17.0 | 18.6 | 22.2 | 25.2 | 31.2 | 37.2 | 42.9 | 41.6 | 34.1 | 27.7 | 21.5 | 15.8 | 28.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.97 | 0.66 | 0.60 | 0.57 | 1.10 | 0.78 | 0.48 | 0.42 | 0.53 | 0.62 | 0.89 | 1.48 | 9.10 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1172. | 990. | 927. | 741. | 550. | 330. | 136. | 151. | 358. | 651. | 955. | 1204. | 8164. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 2. | 9. | 50. | 38. | 5. | 0. | 0. | 0. | 104. |