| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Mean Max. Temperature (F) | 45.3 | 53.0 | 61.5 | 68.4 | 78.1 | 88.0 | 97.8 | 95.6 | 85.6 | 71.8 | 56.2 | 45.7 | 70.7 |
| Highest Mean Max. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Max. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Temperature (F) | 31.8 | 38.0 | 44.9 | 51.4 | 60.6 | 69.5 | 77.0 | 74.5 | 65.2 | 52.7 | 39.9 | 31.7 | 53.2 |
| Highest Mean Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Min. Temperature (F) | 18.3 | 23.0 | 28.3 | 34.3 | 43.1 | 51.0 | 56.2 | 53.4 | 44.7 | 33.5 | 23.6 | 17.7 | 35.7 |
| Highest Mean Min. Temperature (F) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Mean Min. Temperature (F) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Mean Precipitation (in.) | 0.57 | 0.47 | 0.48 | 0.54 | 0.63 | 0.44 | 0.06 | 0.21 | 0.23 | 0.47 | 0.51 | 0.53 | 5.14 |
| Highest Precipitation (in.) | |||||||||||||
| Year Highest Occurred | |||||||||||||
| Lowest Precipitation (in.) | |||||||||||||
| Year Lowest Occurred | |||||||||||||
| Heating Degree Days (F) | 1029. | 756. | 623. | 411. | 186. | 41. | 2. | 5. | 80. | 386. | 753. | 1032. | 5305. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 50. | 176. | 373. | 300. | 85. | 3. | 0. | 0. | 988. |