Tuesday was the hottest single day on Earth in the history of human civilization, according to a combination of global satellite data and historical tree ring analysis. One point in far northern Canada was hotter than Miami. In Siberia, the temperature in Altai hit 94°F. Despite July being mid-winter in the Southern Hemisphere, temperatures in Argentina and Chile soared to more than 86°F (30°C). In the Philippines, Metro Manila recorded its hottest-ever July day. The temperature in Iran, Algeria, and Oman all reached 122°F (50°C).