The WYI is correlated with the simultaneous Niño-3 index highly (−0.632) but with the preceding winter Niño-3 index moderately (−0.330), and the SASMI1 shows a moderately significant correlation with the simultaneous Niño-3 index.
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The WYI is correlated with the simultaneous Niño-3 index highly (−0.632) but with the preceding winter Niño-3 index moderately (−0.330), and the SASMI1 shows a moderately significant correlation with the simultaneous Niño-3 index.