| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.9 | 44.0 | 51.0 | 57.4 | 66.3 | 74.9 | 84.9 | 84.1 | 75.8 | 63.2 | 46.4 | 38.0 | 60.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.4 | 33.2 | 38.0 | 42.7 | 50.3 | 57.1 | 64.5 | 63.7 | 55.8 | 45.8 | 35.5 | 28.6 | 45.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 21.0 | 22.4 | 25.0 | 27.9 | 34.2 | 39.4 | 44.2 | 43.2 | 35.7 | 28.4 | 24.5 | 19.2 | 30.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.92 | 0.95 | 0.80 | 0.81 | 1.37 | 0.85 | 0.53 | 0.51 | 0.53 | 0.57 | 1.10 | 1.42 | 10.36 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1071. | 890. | 837. | 670. | 460. | 250. | 86. | 98. | 285. | 595. | 886. | 1128. | 7256. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 3. | 14. | 71. | 56. | 7. | 0. | 0. | 0. | 151. |