{"schemaVersion":"report-figure-v1","report":{"slug":"solar-variable-years","title":"The Variable Years: Why Output Swings, and What P90 Really Means","url":"https://solaranalytica.com/solar-variable-years","datePublished":"2026-04-30","lastReviewed":"2026-04-30"},"figure":{"id":"peak-oni-per-year","title":"The ENSO oscillation. Peak ONI per year, 2005-2025; 2015 the record","unit":"peak Oceanic Nino Index per season","caption":"The engine of the variable year: peak Oceanic Nino Index per season, 2005 to 2025 (years with a defined peak shown). Right of zero is El Nino, left is La Nina; the 2015-16 event is the record. NOAA CPC, from the Solar Analytica climate-signals record.","series":[{"label":"2005","value":-0.84},{"label":"2007","value":-1.6},{"label":"2009","value":1.56},{"label":"2010","value":-1.64},{"label":"2015","value":2.75},{"label":"2016","value":2.63},{"label":"2019","value":0.89},{"label":"2020","value":-1.2},{"label":"2021","value":-0.91},{"label":"2022","value":-0.97},{"label":"2023","value":2.06},{"label":"2024","value":1.92},{"label":"2025","value":-0.55}]},"csv":"https://solaranalytica.com/reports/solar-variable-years/figures/peak-oni-per-year/data.csv","publicationState":"fixed-edition","boundary":"The figure remains bound to the report edition. A newer upstream release creates a review obligation and never rewrites these rows automatically."}