Chagrin River near 41° North Coastal Adventures

Chagrin River typically runs highest in March, at a median 450 cfs, and lowest in September, at 58 cfs. The highest flow on record for any single day is 12,300 cfs, in 1948.

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 90 years of record. Statistics published by the US Geological Survey for Chagrin River at Willoughby OH (site 04209000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.