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[–] 40 points 4 months ago

It’s the fifth paragraph…

In order to be considered an El Niño, temperatures in that zone need to be 0.5 C above the average.

And then five paragraphs later they even explain it more.

El Niño and La Niña are part of a larger, natural cyclical cycle called the El Niño Southern Oscillation (ENSO), which occurs in a specific part of the Pacific Ocean.

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