Today, the rivers all over New England are raging. Many have been stocked, some are still going through natural migrations and even in these high flows it is possible to have a very good day catching fish.
I see this same thing happen all over. On the Salmon River in New York most anglers will run home if the river hits 1500cfs. The water goes up real high and everyone thinks the fishing is done. The posts on local fly fishing forums become full of complaints.