| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.7 | 42.6 | 51.2 | 58.7 | 66.6 | 74.4 | 85.1 | 85.8 | 76.2 | 61.7 | 44.1 | 35.1 | 59.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 27.2 | 31.1 | 38.1 | 44.3 | 51.0 | 57.7 | 64.7 | 64.3 | 55.8 | 45.6 | 34.1 | 26.0 | 45.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 17.6 | 19.6 | 25.1 | 29.8 | 35.5 | 41.0 | 44.3 | 42.9 | 35.4 | 29.5 | 24.1 | 17.0 | 30.2 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.63 | 1.18 | 1.75 | 1.94 | 2.19 | 2.02 | 1.06 | 1.16 | 0.86 | 1.12 | 2.15 | 1.97 | 19.03 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1173. | 949. | 832. | 622. | 436. | 233. | 84. | 83. | 284. | 602. | 927. | 1207. | 7434. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 3. | 14. | 75. | 63. | 8. | 0. | 0. | 0. | 164. |