11,609 gauges in 53 states report to this page. Of those with a normal range to compare against, 2,024 are low, 5,939 are normal and 1,304 are high for the date.
Low and high readings are fairly evenly spread. Fall is often a low point for rivers after the summer, until steady rain returns. The biggest rivers on the list include the White River, Missouri River, Little River and Mill Creek.
Readings come from U.S. Geological Survey and U.S. Bureau of Reclamation and refresh as the agencies publish them.