| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.8 | 41.2 | 49.1 | 56.6 | 65.0 | 71.7 | 82.4 | 83.6 | 74.2 | 60.2 | 44.1 | 35.2 | 58.4 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.3 | 34.2 | 40.4 | 46.1 | 53.4 | 59.1 | 66.3 | 66.9 | 59.0 | 48.2 | 37.4 | 29.6 | 47.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 25.7 | 27.2 | 31.7 | 35.6 | 41.7 | 46.5 | 50.2 | 50.2 | 43.8 | 36.2 | 30.7 | 24.1 | 37.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.57 | 1.85 | 2.04 | 1.75 | 1.81 | 1.31 | 0.65 | 0.66 | 0.77 | 1.58 | 2.86 | 2.50 | 20.35 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1046. | 862. | 763. | 567. | 371. | 200. | 65. | 60. | 211. | 523. | 828. | 1096. | 6593. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 10. | 23. | 106. | 119. | 31. | 2. | 0. | 0. | 291. |