Southern Oscillation index
The Southern Oscillation index describes El Niño and La Niña events. Data downloaded from https://www.ncei.noaa.gov/access/monitoring/enso/soi.
The Southern Oscillation index.
The Southern Oscillation index describes El Niño and La Niña events. Data downloaded from https://www.ncei.noaa.gov/access/monitoring/enso/soi.