| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.6 | 44.3 | 51.7 | 58.4 | 66.4 | 74.6 | 85.1 | 84.5 | 75.8 | 62.6 | 47.4 | 38.9 | 60.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.7 | 33.8 | 39.5 | 44.0 | 50.7 | 57.1 | 64.3 | 63.6 | 56.1 | 46.4 | 37.0 | 30.0 | 46.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 22.8 | 23.3 | 27.4 | 29.6 | 35.1 | 39.5 | 43.5 | 42.8 | 36.4 | 30.2 | 26.5 | 21.2 | 31.6 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.89 | 1.31 | 0.98 | 0.95 | 1.21 | 0.86 | 0.53 | 0.44 | 0.48 | 1.05 | 1.86 | 1.97 | 13.53 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1032. | 873. | 789. | 630. | 445. | 253. | 94. | 103. | 277. | 577. | 842. | 1083. | 6998. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 3. | 14. | 72. | 61. | 10. | 0. | 0. | 0. | 161. |