| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.4 | 41.3 | 48.5 | 55.6 | 63.3 | 70.1 | 80.1 | 81.2 | 71.9 | 57.8 | 43.0 | 34.2 | 57.0 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.3 | 32.4 | 38.4 | 44.2 | 51.0 | 56.9 | 64.0 | 64.5 | 56.5 | 45.7 | 35.1 | 27.2 | 45.5 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 22.2 | 23.5 | 28.3 | 32.7 | 38.7 | 43.8 | 47.9 | 47.8 | 41.1 | 33.6 | 27.2 | 20.3 | 34.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.57 | 1.18 | 1.90 | 2.14 | 2.94 | 2.08 | 1.17 | 1.01 | 1.16 | 1.46 | 1.81 | 1.43 | 19.85 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1107. | 913. | 825. | 626. | 437. | 252. | 92. | 86. | 269. | 598. | 897. | 1170. | 7271. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 3. | 11. | 61. | 70. | 14. | 0. | 0. | 0. | 159. |