Simplify the following text for a Grade 7 native English-speaking person.
Original: It officially started May 15 , 2008 in the eastern Pacific , started on June 1 , 2008 in the central Pacific , and lasted until November 30 , 2008 .
Simplified: The 2008 Pacific hurricane season started on May 15 , 2008 , and ended November 30 , 2008 .