| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 40.3 | 44.5 | 52.1 | 58.7 | 67.2 | 75.9 | 86.1 | 85.6 | 77.3 | 64.3 | 47.4 | 39.1 | 61.6 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 30.4 | 33.6 | 39.6 | 44.2 | 51.5 | 58.5 | 66.4 | 65.3 | 57.4 | 47.6 | 36.4 | 29.2 | 46.7 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 20.4 | 22.6 | 27.0 | 29.8 | 35.8 | 41.2 | 46.6 | 45.0 | 37.6 | 30.8 | 25.5 | 19.3 | 31.9 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 1.48 | 1.15 | 1.13 | 1.20 | 1.44 | 1.06 | 0.67 | 0.66 | 0.60 | 0.92 | 1.62 | 1.87 | 13.80 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1074. | 881. | 789. | 622. | 422. | 214. | 63. | 73. | 240. | 541. | 856. | 1110. | 6886. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 0. | 4. | 21. | 104. | 82. | 14. | 0. | 0. | 0. | 225. |