| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 43.7 | 47.2 | 53.8 | 60.4 | 69.3 | 78.4 | 88.2 | 87.6 | 79.2 | 66.0 | 50.1 | 42.2 | 63.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 34.3 | 36.8 | 42.2 | 47.4 | 55.0 | 62.6 | 70.1 | 69.0 | 61.0 | 50.7 | 39.6 | 33.1 | 50.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 24.9 | 26.5 | 30.7 | 34.4 | 40.7 | 46.8 | 52.1 | 50.4 | 42.8 | 35.4 | 29.1 | 24.0 | 36.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.45 | 1.26 | 1.15 | 1.15 | 1.29 | 0.89 | 0.53 | 0.50 | 0.56 | 0.86 | 1.74 | 1.93 | 13.31 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 952. | 788. | 705. | 528. | 322. | 128. | 26. | 25. | 156. | 445. | 762. | 989. | 5825. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 12. | 56. | 185. | 149. | 36. | 1. | 0. | 0. | 439. |