ENSO Historical Dataset

Comprehensive monthly El Niño Southern Oscillation data (1950–2026). 126 records with ONI, SOI, and subsurface temperature anomalies. CC0 license.

Install

npm install enso-historical-data

Usage

const enso = require('enso-historical-data');

// Get all Super El Niño months
const supers = enso.getSuperElNinoEvents();
console.log(`${supers.length} Super El Niño months`);

// Get data for a specific month
const aug1997 = enso.getByMonth(1997, 8);
console.log(`August 1997 ONI: ${aug1997.ONI}°C`);

// Filter by any condition
const laNinas = enso.getByCondition('La_Nina');

Live Dashboard

elninoguide.com/dashboard — Real-time ENSO tracker.

License

CC0 1.0 Universal