According to the report, the national temperature for the past three months averaged 57.1 degrees, easily topping the previous high of 55.1 degrees set over a century ago, in 1910. That mark was also over five degrees higher than the long-term average, making it the largest departure from average for any season on record in the U.S.
Further, the report found that the one-year period from last June through May was the also warmest ever recorded in the mainland United States, with an average temperature an even five degrees above the long-term average.
The abnormal temperatures over the past three months resulted in the warmest March, third warmest April, and second-warmest May on record for the nation as well. It’s the first time all three months in one season — the NOAA demotes March through April as spring for record keeping purposes —ranked in the 10 warmest since record keeping began.
The report comes days after group of leading climate change scientists warned that the global climate could reach a “tipping point” within the century that would set off a collapse of the world’s ecosystem. Also earlier this week, NASA researchers announced that they’d discovered massive amounts of phytoplankton beneath Arctic ice off the coast of Alaska, indicating a dramatic environmental shift in the area potentially brought on by thinning arctic ice.
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