| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 33.8 | 40.1 | 48.7 | 55.3 | 62.9 | 70.1 | 79.9 | 80.8 | 71.9 | 59.8 | 44.5 | 33.6 | 56.9 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 26.3 | 30.2 | 37.7 | 42.9 | 50.6 | 57.1 | 65.2 | 65.3 | 57.4 | 46.6 | 34.9 | 25.7 | 45.1 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 18.9 | 20.3 | 26.6 | 30.5 | 38.4 | 44.1 | 50.5 | 49.7 | 42.8 | 33.4 | 25.3 | 17.8 | 33.3 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.19 | 1.04 | 1.38 | 1.80 | 2.40 | 1.75 | 1.40 | 1.23 | 1.42 | 1.45 | 1.18 | 1.32 | 17.56 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1198. | 974. | 848. | 663. | 448. | 252. | 84. | 80. | 251. | 571. | 903. | 1218. | 7491. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 3. | 15. | 90. | 88. | 22. | 0. | 0. | 0. | 218. |