| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 36.5 | 45.0 | 57.1 | 64.7 | 73.2 | 81.1 | 90.7 | 89.0 | 79.5 | 66.8 | 49.7 | 37.4 | 64.3 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 28.7 | 34.7 | 44.5 | 50.9 | 59.3 | 66.8 | 74.6 | 72.8 | 63.6 | 51.7 | 39.0 | 29.4 | 51.4 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 20.9 | 24.4 | 31.9 | 37.2 | 45.5 | 52.5 | 58.5 | 56.6 | 47.7 | 36.7 | 28.3 | 21.3 | 38.5 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.35 | 1.06 | 1.14 | 0.82 | 1.18 | 0.88 | 0.28 | 0.20 | 0.41 | 0.67 | 1.32 | 1.85 | 11.16 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1125. | 848. | 636. | 423. | 208. | 64. | 6. | 11. | 107. | 413. | 780. | 1105. | 5727. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 1. | 33. | 118. | 303. | 253. | 65. | 2. | 0. | 0. | 777. |