2018 fourth warmest year in continued warming trend, according to NASA, NOAA

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Global temperatures in 2018 were 0.83 degrees Celsius warmer than the 1951 to 1980, according to scientists at NASA's Goddard Institute for Space Studies (GISS) in NY. Normally, the yearly NASA and NOAA announcements come out around the same time as the others', but this year's reports were delayed due to the partial USA government shutdown.

The year 2018 was the Earth's fourth-hottest year on record, continuing a decades-long progression of warming, with the past five years collectively the warmest on record, according to reports released Wednesday.

Schmidt said that 2018 was "quite clearly the fourth warmest year on record and it was probably warmer than many hundreds of years before that".

Global temperatures now stand 1 degree Celsius, or 1.8 degrees Fahrenheit, above the average temperature of the late 19th century.

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NASA's data takes temperatures from 6,300 weather stations along with ship and buoy-based observations of sea surface temperatures along with measurements from Antarctic research stations.

The report shows that a lot of the Southwest, like Colorado, New Mexico, Utah and Arizona experienced drought through most of past year. It is also linked the extremely cold temperatures the Midwest and Northeast experiences last week.

"The five warmest years have, in fact, been the last five years".

Record land temperatures occurred in parts of the Middle East, Europe and New Zealand.

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Using computer simulations, the British weather office forecast that the next five years would average somewhere between 14.73°C to 15.27°C. NASA said it's happening and will continue to happen for years to come.

Because weather station locations and measurement practices change over time, the interpretation of specific year-to-year global mean temperature differences has some uncertainties.

In January, the same organization warned that levels of planet-warming carbon dioxide will rise by a near-record amount in 2019.

Arndt says 2018 "was an exclamation point, I think, on a trend that we're seeing toward more big rain, particularly in the eastern United States". "Greenhouse gas emission reduction and climate adaptation measures should be a top global priority". These included two Atlantic hurricanes, Michael and Florence, several heavy rain events and unprecedented fires in the West.

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