| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.6 | 40.0 | 44.3 | 49.3 | 58.4 | 65.3 | 75.9 | 76.5 | 69.2 | 56.7 | 42.3 | 35.8 | 54.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.6 | 31.6 | 35.2 | 39.0 | 46.3 | 51.9 | 59.0 | 59.1 | 53.4 | 44.4 | 34.8 | 29.2 | 42.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 22.7 | 23.2 | 26.0 | 28.7 | 34.1 | 38.6 | 42.1 | 41.7 | 37.5 | 32.1 | 27.2 | 22.6 | 31.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 10.72 | 7.23 | 6.69 | 5.32 | 3.50 | 3.27 | 0.74 | 0.79 | 1.84 | 5.10 | 10.34 | 10.12 | 65.66 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1096. | 935. | 925. | 780. | 582. | 394. | 202. | 203. | 353. | 639. | 907. | 1110. | 8127. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 1. | 3. | 16. | 20. | 4. | 0. | 0. | 0. | 44. |