| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.8 | 42.0 | 51.2 | 58.7 | 68.1 | 77.4 | 88.0 | 87.0 | 75.9 | 61.8 | 46.0 | 36.1 | 60.8 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.1 | 34.1 | 41.8 | 47.6 | 55.3 | 63.2 | 72.5 | 72.2 | 62.7 | 50.8 | 38.1 | 29.1 | 49.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 23.3 | 26.1 | 32.4 | 36.5 | 42.6 | 49.1 | 57.0 | 57.3 | 49.5 | 39.9 | 30.2 | 22.1 | 38.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.02 | 1.75 | 2.22 | 1.94 | 2.05 | 1.17 | 0.42 | 0.30 | 0.78 | 1.22 | 2.22 | 2.55 | 18.64 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1083. | 866. | 719. | 523. | 318. | 128. | 20. | 21. | 140. | 443. | 807. | 1113. | 6181. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 18. | 75. | 252. | 242. | 71. | 5. | 0. | 0. | 665. |