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RAINFALL VARIATIONS DURING ENSO
| El Nino | Year (0) | Year (+1) | ||||||
|---|---|---|---|---|---|---|---|---|
| Winter | Spring | Summer | Fall | Winter | Spring | Summer | Fall | |
| 94% | 95% | 98% | 105% | 90% | 84% | 104% | 101% | |
| La Nina | Year (0) | Year (+1) | ||||||
| Winter | Spring | Summer | Fall | Winter | Spring | Summer | Fall | |
| 99% | 95% | 91% | 101% | 107% | 122% | 103% | 97% | |
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