| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.8 | 45.0 | 52.4 | 58.9 | 66.9 | 75.1 | 85.1 | 84.2 | 76.7 | 64.4 | 47.6 | 39.0 | 61.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.9 | 33.2 | 38.5 | 42.7 | 50.2 | 57.1 | 64.6 | 63.1 | 55.6 | 45.9 | 35.6 | 28.5 | 45.6 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 21.0 | 21.5 | 24.7 | 26.6 | 33.5 | 39.1 | 44.1 | 41.9 | 34.6 | 27.4 | 23.6 | 17.9 | 29.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.35 | 1.21 | 1.28 | 1.04 | 1.29 | 0.88 | 0.59 | 0.48 | 0.49 | 0.70 | 1.06 | 1.47 | 11.84 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1057. | 889. | 820. | 667. | 462. | 249. | 83. | 105. | 286. | 592. | 882. | 1133. | 7224. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 3. | 12. | 70. | 44. | 5. | 0. | 0. | 0. | 134. |