| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 35.7 | 39.7 | 47.0 | 53.9 | 61.6 | 69.3 | 79.0 | 79.2 | 69.4 | 55.9 | 41.6 | 33.8 | 55.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.5 | 31.1 | 36.9 | 42.5 | 49.6 | 55.9 | 63.4 | 63.0 | 54.9 | 44.6 | 33.8 | 26.6 | 44.3 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 21.4 | 22.6 | 26.9 | 31.2 | 37.6 | 42.5 | 47.7 | 46.8 | 40.3 | 33.3 | 25.9 | 19.5 | 33.0 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.66 | 1.29 | 2.17 | 2.48 | 2.95 | 2.19 | 1.34 | 0.80 | 1.16 | 1.51 | 2.10 | 1.47 | 21.12 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1130. | 948. | 870. | 673. | 480. | 283. | 107. | 115. | 311. | 632. | 937. | 1189. | 7675. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 2. | 10. | 56. | 53. | 6. | 0. | 0. | 0. | 128. |