Niño 3.4 sea surface temperature

30.144 °C on 2026-11-03 (preliminary), +3.382 °C against 1991-2020. Climate Reanalyzer, refreshed at every deploy.

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Niño 3.4 sea surface temperature

30.042 °C · 2026-10-20 · +3.336 °C vs 1991-2020

preliminary 2026-11-03: 30.144 °C, +3.382 °C vs 1991-2020

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1981–2026· baseline 1991-2020 · Climate Reanalyzer, NOAA OISST v2.1, Niño 3.4 region (5°S–5°N, 170°W–120°W) · data · json · CC BY 4.0 · fetched 2026-11-05· The last two weeks of OISST are preliminary and revised.

Citations: Climate Reanalyzer (n.d.). Daily Sea Surface Temperature / 2m Air Temperature. Climate Change Institute, University of Maine. Retrieved 2026-11-05, from https://climatereanalyzer.org/

staging: drafts and proposals shown