| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 44.4 | 47.7 | 54.0 | 60.3 | 69.7 | 79.3 | 89.5 | 88.6 | 80.4 | 67.5 | 51.9 | 42.4 | 64.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.2 | 34.2 | 39.5 | 44.2 | 52.0 | 59.6 | 66.7 | 65.1 | 58.0 | 47.6 | 37.2 | 30.4 | 47.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 17.9 | 20.7 | 25.0 | 28.1 | 34.2 | 39.9 | 43.9 | 41.6 | 35.6 | 27.7 | 22.5 | 18.4 | 29.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.24 | 1.22 | 1.44 | 1.16 | 1.44 | 0.78 | 0.24 | 0.34 | 0.51 | 0.85 | 1.72 | 1.50 | 12.44 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1049. | 862. | 791. | 624. | 408. | 187. | 49. | 62. | 221. | 539. | 834. | 1072. | 6699. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 3. | 25. | 102. | 65. | 11. | 0. | 0. | 0. | 206. |