Calculated from the HadISST1. It is the area averaged SST from 5S-5N and 170-120W.
Time Interval: Monthly
Time Coverage: 1870 to May 2020
Update Status: Periodically updated
Niño 3.4 (anomaly; 1981-2010 mean removed): Standard PSL Format (What is standard format?)
Niño 3.4: Standard PSL Format (What is standard format?)
Data is from PSL using the HadISST1 dataset.
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Updated: Jul 31, 2018 12:58:15 MDT