| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.5 | 45.4 | 55.1 | 62.5 | 73.0 | 83.9 | 91.7 | 89.8 | 80.6 | 66.0 | 52.0 | 39.9 | 65.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.7 | 34.9 | 43.5 | 50.3 | 60.0 | 70.4 | 78.6 | 76.8 | 67.1 | 53.8 | 41.0 | 29.9 | 53.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 19.9 | 24.5 | 32.0 | 38.2 | 47.0 | 56.9 | 65.6 | 63.8 | 53.6 | 41.6 | 30.1 | 19.9 | 41.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.28 | 1.40 | 2.10 | 1.98 | 1.52 | 0.81 | 0.89 | 1.15 | 1.07 | 1.70 | 1.54 | 1.54 | 16.98 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1094. | 841. | 665. | 444. | 200. | 43. | 1. | 1. | 70. | 361. | 719. | 1088. | 5527. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 4. | 45. | 205. | 424. | 367. | 133. | 13. | 0. | 0. | 1192. |