ScienceWas it really the hottest day ever?

New heat records are often met with skepticism. Scientists must determine whether a particular day or an entire summer truly ranks as the hottest on record. They also assess when a heat wave can accurately be described as historic. DW explains how these judgments are made and what evidence supports claims about record-breaking heat.

heat recordsclimate scienceheat waves

DDW★☆☆☆☆2026-08-07 08:36Original