| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 37.5 | 43.8 | 54.9 | 63.8 | 73.0 | 81.6 | 91.5 | 90.1 | 80.7 | 66.2 | 48.2 | 38.5 | 64.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.9 | 33.5 | 41.7 | 48.4 | 57.0 | 64.7 | 72.5 | 70.6 | 61.5 | 49.3 | 37.1 | 29.8 | 49.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 20.2 | 23.2 | 28.6 | 33.0 | 41.0 | 47.8 | 53.4 | 51.1 | 42.3 | 32.4 | 26.0 | 21.0 | 35.1 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.69 | 0.99 | 1.06 | 1.10 | 1.62 | 1.19 | 0.59 | 0.72 | 0.57 | 0.97 | 1.55 | 1.95 | 15.00 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1120. | 882. | 721. | 499. | 266. | 93. | 22. | 22. | 148. | 487. | 837. | 1093. | 6190. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 18. | 84. | 253. | 196. | 43. | 0. | 0. | 0. | 595. |