| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 41.8 | 45.2 | 50.9 | 57.4 | 65.6 | 73.5 | 83.4 | 83.6 | 74.4 | 62.6 | 47.9 | 40.3 | 60.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 32.5 | 34.5 | 38.8 | 43.0 | 49.3 | 55.8 | 62.6 | 62.5 | 55.1 | 46.6 | 37.3 | 31.0 | 45.8 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 23.3 | 23.8 | 26.6 | 28.5 | 33.0 | 38.1 | 41.8 | 41.3 | 35.7 | 30.6 | 26.8 | 21.7 | 31.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.56 | 1.12 | 1.29 | 1.27 | 1.51 | 1.16 | 0.62 | 0.53 | 0.58 | 1.07 | 1.77 | 1.48 | 13.96 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1006. | 854. | 814. | 661. | 489. | 285. | 120. | 122. | 304. | 571. | 829. | 1054. | 7110. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 2. | 9. | 46. | 43. | 5. | 0. | 0. | 0. | 106. |