| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.8 | 43.9 | 51.0 | 59.8 | 68.8 | 79.3 | 84.2 | 81.1 | 74.5 | 63.1 | 49.8 | 40.0 | 61.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 22.6 | 27.5 | 34.4 | 42.4 | 50.3 | 58.5 | 65.2 | 63.6 | 55.9 | 45.2 | 33.0 | 22.8 | 43.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 5.4 | 11.1 | 17.8 | 25.1 | 31.9 | 37.6 | 46.2 | 46.1 | 37.3 | 27.2 | 16.3 | 5.7 | 25.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.48 | 1.52 | 1.63 | 1.64 | 1.15 | 0.88 | 1.81 | 2.77 | 2.26 | 2.26 | 1.87 | 1.70 | 20.97 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1314. | 1050. | 949. | 677. | 454. | 206. | 44. | 69. | 275. | 615. | 958. | 1307. | 7919. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 9. | 50. | 26. | 2. | 0. | 0. | 0. | 88. |