Home › Activity Library › Activities about Oceanic Niño Index Topic Activities about Oceanic Niño Index Search 1 activity Topic: Oceanic Niño Index × Browse full library → Will this be an El Niño winter? The Oceanic Niño Index (ONI) started to show changes to the Pacific Ocean surface temperatures in April and May of this year. Those temperatures are still rising which... Number Sense Math and Science Grades 4–HS
