El Niño and La Niña events since 2010
El Niño or La Niña occurs when the 3-month mean sea surface temperature in the equatorial Pacific ocean is above or below the threshold of +0.5 degrees Celsius (-0.5°C) for five consecutive periods.
El Niño or La Niña occurs when the 3-month mean sea surface temperature in the equatorial Pacific ocean is above or below the threshold of +0.5 degrees Celsius (-0.5°C) for five consecutive periods.