| ANNUAL | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | YEARS | # CITIES | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Temperature (F) | 48.6 | 41.2 | 41.4 | 43.5 | 46.4 | 51 | 55.4 | 58.5 | 58.4 | 54.9 | 50.5 | 44.8 | 42.5 | 40 | 33 |
| Average High Temperature (F) | 54.7 | 46.2 | 46.5 | 49.4 | 52.9 | 57.7 | 61.9 | 64.8 | 64.8 | 61.3 | 56 | 50.2 | 47.3 | 32 | 30 |
| Average Low Temperature (F) | 43.3 | 36.7 | 36.6 | 38.3 | 40.4 | 44.4 | 49.3 | 52.5 | 52.2 | 49.4 | 45.3 | 40.3 | 38.2 | 32 | 30 |
| Average Precipitation (in) | 40.2 | 4.1 | 3.1 | 3 | 2.4 | 2.6 | 2.6 | 2.8 | 3.5 | 3.5 | 4.2 | 4 | 4.4 | 71 | 32 |
| * Years is the average number of years used to compute the average. # Cities is the total number of locations used to compute the average. | |||||||||||||||