The Chronicle

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ONI
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Index

The strong ones since 1950
EventONIRONIMonths
Reading the chart
Very strong El Niño — peak ≥ 2.0 °C
Strong 1.5–1.9 · moderate 1.0–1.4 · weak 0.5–0.9
La Niña (≤ −0.5 °C for 5 seasons)
All other years
Current event, still running
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LOADING 75 YEARS …