| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 39.8 | 45.9 | 55.0 | 62.9 | 71.9 | 81.3 | 90.9 | 88.5 | 79.0 | 65.3 | 49.5 | 39.4 | 64.2 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.7 | 35.9 | 43.0 | 48.9 | 57.3 | 65.6 | 73.8 | 71.6 | 63.1 | 51.5 | 39.1 | 30.4 | 51.0 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 21.7 | 25.9 | 31.0 | 34.9 | 42.7 | 49.8 | 56.7 | 54.7 | 47.1 | 37.8 | 28.7 | 21.4 | 37.8 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.15 | 1.06 | 0.99 | 0.82 | 0.96 | 0.65 | 0.25 | 0.30 | 0.43 | 0.65 | 0.92 | 1.39 | 9.57 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1062. | 815. | 682. | 484. | 263. | 84. | 8. | 15. | 122. | 420. | 777. | 1072. | 5803. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 24. | 101. | 280. | 219. | 63. | 3. | 0. | 0. | 692. |