NASA and NOAA are two users of the world's temperature data and independently produce an overview of the Earth's surface temperatures and changes. Shown here are 2017 global temperature data: higher than normal temperatures appear in red, lower than normal temperatures appear in blue. (NASA's Scientific Visualization Studio)
In 2018, the pattern of higher than average annual temperatures followed the earth's fourth hottest year on the 139-year record.
Climate experts from the National Oceanic and Atmospheric Administration (NOAA) and the National Aeronautics and Space Administration (NASA) independently released new data on global temperatures in 2018 and the main climate trends of the year, Wednesday, February 6.
December 2018's overall global soil and ocean average surface temperature departure from the average was the second highest December in the 139-year record, according to the NOAA analysis.
Eleven of 12 monthly global land and sea temperature deviations from average ranked among the five hottest in their respective months.
In a separate analysis of global temperature data, which was also released Wednesday, NASA researchers also established 2018 as the fourth hottest year on record.
Global temperatures were 1.5 F warmer than 1951 to 1980, according to researchers at NASA's Goddard Institute for Space Studies (GISS).
Worldwide, 2018 is facing temperatures in 2016, 2017 and 2015. The past five years are collectively the hottest years in the modern record.
"Measurement is a global average, so some places felt record highs, while others were near average or even cooler," NASA reported. (Animation / NASA)
"2018 is once again an extremely hot year on top of a long-term global warming trend," says GISS director Gavin Schmidt in NASA's press release.
Since the 1880s, the average global surface temperature has increased by about 2 F. This warming has been largely driven by increased emissions in the atmosphere of carbon dioxide (CO2) and other greenhouse gases (GHG) caused by human activities, Schmidt said.
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NOAA also released its 2018 climate conditions for the United States and an update of weather disasters in billions of dollars a year.
According to the NOAA report, the United States has suffered 14 weather and climate disasters that were responsible for at least 247 deaths and cost about $ 91 billion in losses, making it the fourth most expensive year on record.
Damaged homes are seen along the water's edge after Hurricane Michael in Mexico Beach, Fla., Friday, October 12, 2018. (AP Photo / David Goldman)
NOAA and NASA collect and analyze the world's temperature data and independently produce an overview of the Earth's surface temperatures as well as changes based on historical observations.
Consistency between the two independent analyzes and analyzes produced by other countries increases confidence in the accuracy and assessment of the data and the resulting conclusions.
These analyzes provide government and business leaders with critical decision-making information.
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