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2016 Sets Global Temperature Record

We just experienced the hottest year on record…again.

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2016 was hotter than 2015, the previous record. And 2015
hotter than 2014, the previous record year.

These record temperatures are all part of a warming trend that
dates back to the late-19th century, largely caused by human emissions of
carbon dioxide and other gases into the atmosphere.

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A lot of this warming trend has been in the last 35 years.
In fact, 16 of the 17 warmest years on record have been since 2001.

To help us gather this data, planes and boats travel out from Antarctic research stations to gather information from the Arctic region, in addition to space-based observatories.

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Scientists at our Goddard Institute for Space Studies
analyze data from 6,300 weather stations, observations of sea surface
temperature and Antarctic research stations, all to determine how the average
surface temperature is changing.

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Scientists at the National Oceanic and Atmospheric Administration
separately analyze the same data to track global temperature.

The two agencies reached the same conclusion about 2016’s
record-setting heat.

Variations in local weather mean parts of the globe did not
experience a record-setting year. Some places still had snow, cold weather and
below-record temperatures, but the overall global average was higher than any
previous year.

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For instance, according to NOAA the average temperature in
the 48 contiguous United States was not quite as high as in 2015, which still
holds the record.

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A combination of space- and land-based measurements gives us
a unique perspective on Earth, the only planet we know of that supports life.

To learn more about the global temperature record or see how
average surface temperature for individual months, visit:
http://data.giss.nasa.gov/gistemp/

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com

Source: NASA

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2016 Sets Global Temperature Record

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