| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 27.7 | 31.2 | 42.2 | 53.0 | 62.8 | 73.7 | 83.0 | 81.3 | 70.0 | 56.7 | 40.1 | 27.9 | 54.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 14.2 | 17.3 | 29.5 | 38.4 | 48.0 | 57.4 | 65.3 | 63.2 | 52.6 | 40.4 | 26.3 | 14.7 | 39.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 0.6 | 3.5 | 16.8 | 23.9 | 33.1 | 41.1 | 47.6 | 45.1 | 35.2 | 24.0 | 12.5 | 1.5 | 23.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.29 | 0.31 | 0.45 | 0.77 | 1.20 | 0.84 | 0.69 | 0.77 | 0.93 | 0.68 | 0.36 | 0.24 | 7.53 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1576. | 1334. | 1101. | 796. | 529. | 245. | 71. | 98. | 374. | 764. | 1161. | 1559. | 9609. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 0. | 17. | 80. | 43. | 2. | 0. | 0. | 0. | 141. |