Passage: The first recorded El Niño that originated in the central Pacific and moved toward the east was in 1986. Recent Central Pacific El Niños happened in 1986-87, 1991-92, 1994-95, 2002-03, 2004-05 and 2009-10. Furthermore, there were "Modoki" events in 1957-59, 1963-64, 1965-66, 1968-70, 1977-78 and 1979-80. Some sources say that the El Niños of 2006-07 and 2014-16 were also Central Pacific El Niños.
Did more Central Pacific El Niños happen in the 1990s or the 2000s? How many Central Pacific El Niños happened after 1990 but before 2000? How many Central Pacific El Niños happened after 2000? How many Modoki events happened after 1959 but before 1971? How many Modoki events happened after 1970? How many years after the first Central Pacific El Niño happened did the latest one happen? How many years after the first Modoki event happened did the latest one happen? How many years separated the end of the first Central Pacific El Niño from the beginning of the second ever recorded one? How many years separated the end of the first Modoki event from the beginning of the second one?