Data and trust
MODIS Terra 8-day land surface temperature.
Limits. Ground skin temperature, hotter than air in the sun; about 10 days behind.
How to read it
Kelvin: 300 K = 27 degC, 310 K = 37 degC, 320 K = 47 degC.
Why it matters for Koh Samui
Shows heat building over Thai farmland and towns with fewer cloud gaps than daily data.
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)