The United States Geological Survey ( USGS ) operates five stream gauges along the Rogue River . They are located , from uppermost to lowermost , near Prospect , Eagle Point , Central Point , Grants Pass , and Agness . Between 1960 and 2007 , the average discharge recorded by the Agness gauge at river mile ( RM ) 29.7 or river kilometer ( RK ) 47.8 was . The maximum discharge during this period was on December 23 , 1964 , and the minimum discharge was on July 9 and 10 , 1968 . This was from a drainage basin of , or about 76 percent of the entire Rogue watershed . The maximum flow occurred between December 1964 and January 1965 during the Christmas flood of 1964 , which was rated by the National Weather Service as one of Oregon 's top 10 weather events of the 20th century
Christmas flood of 1964
Christmas flood of 1964
Rogue River (Oregon)