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National data released Tuesday by the National Oceanic and Atmospheric Administration supports what scientists have been shouting for years: The ongoing climate crisis has created a wet, hot, American climate. 

The country’s new normal temperature is one full degree hotter than it was only two decades ago, according to an updated set of thirty-year climate averages for the contiguous US known as climate normals.

Climate normals are calculated by meteorologists based on 30-years of data to avoid the randomness of daily weather. The National Oceanic and Atmospheric Administration updates the country’s normal every decade, noting annual, seasonal, and monthly climate normals for the country as a whole, as well as individual states and cities. 

Tuesday’s data includes data from more than 9,000 daily reporting stations collected from 1991 to 2020. 

“The biggest signal that we’re seeing is a warming throughout the United States,” Mike Palecki, project manager for US climate normals at NOAA, told Insider.

Except for a few states in the Northern-Central region of the country, the nation has seen a “pretty ubiquitous warming,” over the past thirty years, especially in the Western US, the Southern end of the US, and the East Coast, Palecki said.

The yearly normal temperature for the country as a whole reached a record-high of 53.3 degrees Fahrenheit (11.8 degrees Celsius) — one full degree warmer than the normal temperature twenty years ago. Since the country’s first normal was calculated between 1901 and 1930, the contiguous US has warmed 1.7 degrees Fahrenheit (0.9 degrees Celsius).

“The last couple of 30-year normal periods have shown very substantial warming over the contiguous US and Alaska,” Palecki said.

He noted that normals aren’t the best product for actually ascertaining climate change, but said they do reflect the impacts the climate crisis has had on the country’s normal, day-to-day climate.

Palecki said the …read more

Source:: Business Insider

      

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