Simplify the following text for a Grade 7 native English-speaking person.
Original: This is the same list used in the 2004 season with the exception of Colin , Fiona , Igor , and Julia , which replaced the names of the four major hurricanes that affected Florida in the U.S. in 2004 : Charley , Frances , Ivan , and Jeanne , respectively .
Simplified: This is the same list used in the 2004 season , except for Colin , Fiona , Igor , and Julia . In 2004 , the names that started with those same letters were Charley , Frances , Ivan , and Jeanne , respectively .