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August 2020 difference from global average temperature
September 15, 2020
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August 2020 was the second-hottest August on record, and it ended the hottest summer on record for the Northern Hemisphere.

Map of the Lower 48 U.S. states showing precipitation patterns in August 2020.
September 10, 2020
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Extreme heat in the U.S. Southwest carried August 2020 into the record books as the country’s third-warmest August in the 126-year record. Despite heavy rain from landfalling tropical cyclones, national average precipitation was in the driest third of the record. 

September 10, 2020

La Niña is here and likely to continue through the winter. Our blogger covers current tropical Pacific conditions and what La Niña can mean for global weather and climate.

September 1, 2020
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The September 2020 temperature and precipitation outlook favors a warmer- and drier-than-average September across the western United States, and a wetter-than-average month across the south-central Plains and much of the East.