| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 48.4 | 53.5 | 58.3 | 63.5 | 71.4 | 79.3 | 88.9 | 89.3 | 83.0 | 70.2 | 53.5 | 46.8 | 67.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 39.1 | 41.8 | 45.6 | 49.9 | 56.3 | 62.6 | 69.6 | 69.5 | 63.3 | 53.4 | 43.2 | 38.1 | 52.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 29.8 | 30.1 | 32.8 | 36.3 | 41.3 | 46.0 | 50.4 | 49.8 | 43.6 | 36.6 | 32.9 | 29.4 | 38.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 4.63 | 3.64 | 3.42 | 2.52 | 2.12 | 1.03 | 0.54 | 0.49 | 0.86 | 2.20 | 5.33 | 6.26 | 33.04 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 803. | 650. | 603. | 454. | 284. | 121. | 25. | 22. | 111. | 363. | 654. | 834. | 4924. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 16. | 51. | 169. | 163. | 60. | 3. | 0. | 0. | 464. |