Monday was hottest day ever measured by humans, beating Sunday, European science service says: “Uncharted territory” CBS NewsPlanet Sets Record for Hottest Day Twice in a Row The New York TimesWorld shatters heat record for the second time in just two days CNBCMonday breaks the global record for the hottest ever day on Earth The Associated PressEarth sweats to its hottest day on record Monday, breaking record set the day before Fox Weather