| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 38.9 | 45.9 | 56.4 | 64.9 | 75.3 | 85.9 | 91.8 | 88.8 | 79.7 | 66.5 | 51.2 | 39.4 | 65.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 29.1 | 35.7 | 45.0 | 52.4 | 62.2 | 71.6 | 77.8 | 75.3 | 66.4 | 53.8 | 40.6 | 30.2 | 53.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 19.3 | 25.4 | 33.5 | 39.9 | 49.1 | 57.4 | 63.9 | 61.8 | 53.0 | 41.1 | 30.0 | 21.0 | 41.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.56 | 0.64 | 1.05 | 1.19 | 1.13 | 0.78 | 0.68 | 0.94 | 1.35 | 1.40 | 0.97 | 0.64 | 11.33 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1113. | 822. | 622. | 383. | 143. | 23. | 1. | 1. | 66. | 351. | 732. | 1079. | 5335. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 5. | 56. | 223. | 399. | 320. | 107. | 4. | 0. | 0. | 1114. |