| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.5 | 44.8 | 51.8 | 57.7 | 66.3 | 74.1 | 84.5 | 84.2 | 75.6 | 62.3 | 47.7 | 38.9 | 60.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.8 | 35.3 | 40.7 | 45.1 | 52.3 | 59.1 | 67.2 | 66.8 | 59.3 | 48.8 | 38.4 | 31.2 | 48.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 25.2 | 25.8 | 29.7 | 32.5 | 38.4 | 44.1 | 50.0 | 49.4 | 43.1 | 35.3 | 29.1 | 23.5 | 35.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.56 | 1.09 | 1.31 | 1.30 | 1.54 | 1.12 | 0.35 | 0.39 | 0.71 | 1.09 | 1.84 | 1.89 | 14.19 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 997. | 831. | 752. | 597. | 401. | 208. | 62. | 62. | 202. | 503. | 798. | 1048. | 6460. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 8. | 31. | 132. | 117. | 32. | 1. | 0. | 0. | 322. |