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How NASA Measures Global Temperatures

Earth’s 2016 surface temperatures were the warmest since modern record keeping began in 1880, according to independent analyses by NASA and the National Oceanic and Atmospheric Administration (NOAA). NASA scientists analyze data from 6300 weather stations, sea surface temperature measurements and Antarctic research stations — all to determine how the average surface temperature is changing.
NASA
How NASA Measures Global Temperatures 0:42

How NASA Measures Global Temperatures

Prepping for an inaugural pot protest 1:43

Prepping for an inaugural pot protest

2016 was the hottest year on record 0:50

2016 was the hottest year on record

A Stetson Hat for President Trump 2:07

A Stetson Hat for President Trump

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