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RAINFALL VARIATIONS DURING ENSO

YAP SEASONAL RAINFALL VARIATIONS DURING ENSO
(Values are % of normal)
El Nino Year (0) Year (+1)
Winter Spring Summer Fall Winter Spring Summer Fall
101% 102% 99% 91% 75% 72% 100% 102%
La Nina Year (0) Year (+1)
Winter Spring Summer Fall Winter Spring Summer Fall
85% 110% 82% 111% 124% 149% 84% 98%

Note: 120% of normal rainfall means rainfall is 20% above normal value (wet condition).
Similarly, 80% of normal rainfall means rainfall is 20% below its historical value (dry condition).

Pacific ENSO Applications Climate Center
Last Updated: December 13, 2007

peac@noaa.gov

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