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Schematic Effects of ENSO

Typical Influence of El Niño
Typical Influence of La Niña

Typical Influence of La Niña

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June to August
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December to February

Once developed, La Niñas are known to shift temperature and precipitation patterns in many different regions of the world. These shifts, although varying somewhat from one La Niña to the next, are fairly consistent in the regions shaded on the maps below.


La Nina influence on climate (June-August)

La Nina influence on climate (December-February)