Extreme heat on the rise
Peak high temperatures on land continue to climb despite Earth’s stalled averages

SWELTERING SWING In the last 15 years, the hottest temperatures on land got hotter (red, with trend line), while multiple datasets of global weather indicate that mean temperatures mostly stayed steady (blue and black). The blue data and trend line are from the European Center for Medium-Range Weather Forecasts and the black data and trend line are from the Met Office Hadley Centre.