| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.0 | 39.3 | 42.8 | 47.4 | 56.7 | 65.7 | 73.8 | 74.6 | 66.9 | 56.5 | 44.5 | 38.0 | 53.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.2 | 31.2 | 33.8 | 37.6 | 45.7 | 54.2 | 62.1 | 62.1 | 55.9 | 46.4 | 36.2 | 30.7 | 44.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 24.4 | 23.2 | 24.8 | 27.8 | 34.8 | 42.7 | 50.4 | 49.6 | 44.9 | 36.3 | 28.0 | 23.5 | 34.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 8.65 | 8.19 | 6.74 | 4.51 | 2.66 | 1.55 | 0.43 | 0.68 | 1.55 | 3.55 | 5.90 | 8.02 | 52.43 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1017. | 945. | 967. | 822. | 597. | 329. | 128. | 119. | 281. | 577. | 862. | 1062. | 7706. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 5. | 38. | 29. | 8. | 0. | 0. | 0. | 80. |