Indices
Daily global mean air temperature at 2 m from Copernicus Climate Pulse, and its difference from 1991-2020.
Limits. Last 2-3 days preliminary (meta.status).
How to read it
degC. The anomaly is what matters: around +0.8 in September 2026.
Why it matters for Koh Samui
The planet usually sets new daily records a few months after a strong El Nino peaks.
ENSO status now
- ONI (NOAA CPC)
- +1.80 °C, JJA 2026 (previous +1.39 °C)
- RONI (NOAA CPC)
- +1.36 °C, JJA 2026
- Nino 3.4 weekly (NOAA CPC / OISST)
- +3.0 °C anomaly, week of 16 Sep 2026 (SST 29.6 °C)