Deutsche Welle Top· World
Was is it really the hottest day ever?
Every time a new heat record is broken, skepticism follows. How do scientists know a day or a summer was really the hottest on record or that a heat wave was historic? DW has the answers.
Published Friday, 7 August 2026 at 08:36
Every time a new heat record is broken, skepticism follows. How do scientists know a day or a summer was really the hottest on record or that a heat wave was historic? DW has the answers.
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