Heat projection · CA
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Today (1981–2010 baseline)
29.7°C
Annual hottest day, 30-year mean
26.9°C – 33.8°C
By 2050 (SSP2-4.5)
33.0°C
+3.2°C warmer than today
ensemble p10–p90: 25.5°C – 38.0°C
How is this computed?
We aggregate the TXx (yearly maximum of daily maximum temperature) from the Copernicus C3S CMIP6 multi-model ensemble under SSP2-4.5 and average the 2041–2060 window. The historical baseline is the mean annual TXx from NASA POWER MERRA-2 reanalysis over 1981–2010 at the same point. These are projections, not predictions — the p10–p90 band reflects how the 20 climate models disagree.
Generated using Copernicus Climate Change Service information and NASA POWER (MERRA-2) reanalysis.
C3S sis-extreme-indices-cmip6 · v2.0 · 20 CMIP6 models