2022 listed Among Hottest Years on Record

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Last year was one of the the warmest on record, according to data released Thursday by two U.S. government agencies, and was marked by numerous instances of severe weather around the globe, many of which are exacerbated by global warming.

The Earth’s average global surface temperature was 0.86 degrees Celsius above the 20th century average in 2022, according to the National Oceanic and Atmospheric Administration (NOAA) and the National Aeronautics and Space Administration (NASA). This made it the sixth-warmest year on record by NOAA’s reckoning, and the fifth-warmest by NASA’s. (The discrepancy between the two is the result of a measurement difference of a tiny fraction of a degree.)

The high temperatures in 2022 were particularly remarkable because of the presence of a major weather phenomenon over the Pacific Ocean called La Niña, which drove global temperatures down by approximately 0.06 degrees, Gavin A. Schmidt, chief of NASA’s Goddard Institute for Space Studies, said in a conference call with journalists.

Differences in global surface temperature were not evenly distributed, with some regions experiencing much higher-than-average temperatures, while others had lower temperatures. While Central Europe experienced significantly higher temperatures than normal, for example, the temperatures of the U.S. Midwest were lower than average. The Northern Hemisphere, for example, was 1.1 degrees Celsius above average last year, while the Southern Hemisphere was up only 0.61 degrees.

Asia experienced its second-hottest year on record, as did Europe. In Africa, though, 2022 was only the tenth-hottest year on record. It was the 12th-hottest year recorded in South America, the 15th-hottest in North America and in the top 20 for Oceania.