Visual. Flows of around 250 cfs are good. The Satsop gauge near Satsop gives you some indication of what's happening in the basin.
|SATSOP RIVER NEAR SATSOP, WA|
|usgs-12035000||5000 - 12000 cfs||III-IV||00h36m||266 cfs (too low)|
Reports give the public a chance to report on river conditions throughout the country as well as log the history of a river.