Royal River near L.L.Bean Flying Point Paddling Center

Royal River typically runs highest in April, at a median 523 cfs, and lowest in September, at 46 cfs. The highest flow on record for any single day is 9,980 cfs, in 1977.

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 62 years of record. Statistics published by the US Geological Survey for Royal River at Yarmouth, Maine (site 01060000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.