| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.1 | 41.7 | 51.8 | 60.0 | 70.5 | 81.2 | 90.8 | 88.5 | 78.1 | 64.1 | 48.7 | 37.3 | 62.5 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.8 | 33.5 | 42.2 | 50.0 | 59.2 | 68.6 | 77.0 | 75.1 | 65.2 | 52.4 | 40.0 | 30.2 | 51.9 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 21.6 | 25.3 | 32.6 | 40.1 | 48.0 | 56.0 | 63.2 | 61.6 | 52.4 | 40.6 | 31.3 | 23.1 | 41.4 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 2.13 | 1.87 | 2.48 | 2.35 | 2.70 | 1.42 | 0.75 | 0.74 | 1.50 | 2.13 | 1.96 | 1.92 | 21.95 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1121. | 882. | 707. | 452. | 213. | 51. | 2. | 4. | 89. | 396. | 750. | 1079. | 5744. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 4. | 34. | 159. | 373. | 315. | 96. | 4. | 0. | 0. | 986. |