| ANNUAL | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | YEARS | # CITIES | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Temperature (F) | 35 | 2 | 8.2 | 20.4 | 37.6 | 50.7 | 59.1 | 63.9 | 61.9 | 51 | 39.3 | 21.3 | 7.3 | 41 | 171 |
| Average High Temperature (F) | 45.7 | 11.6 | 18.3 | 30.6 | 49.1 | 63.2 | 71.2 | 76.4 | 74.8 | 62.9 | 50 | 29.6 | 16.6 | 40 | 172 |
| Average Low Temperature (F) | 24.5 | -7.4 | -1.5 | 10.3 | 26.6 | 38 | 46.9 | 51.3 | 48.8 | 39 | 29 | 12.7 | -1.6 | 40 | 171 |
| Average Precipitation (in) | 15.9 | 0.7 | 0.6 | 0.8 | 0.9 | 1.8 | 2.7 | 2.5 | 1.9 | 1.5 | 0.9 | 0.7 | 0.8 | 39 | 193 |
| * Years is the average number of years used to compute the average. # Cities is the total number of locations used to compute the average. | |||||||||||||||