NOAA is updating its Climate Normals. An expert explains why it matters. | NOAA National Environmental Satellite, Data, and Information Service (NESDIS)

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Just in: NOAA's updated Climate Normals are coming. Why are they changing? And what are the Normals used for anyway? Read more: ClimateNormals

are currently compiling and reviewing 30 years of weather and climate data from across the U.S. to serve as the nation’s official climate “normals” for the next 10 years. This updated 30-year dataset, which spans from 1991 to 2020, is scheduled for release in May 2021.

Palecki’s love of weather and climate started in elementary school, when he began collecting daily maximum and minimum temperature and precipitation measurements in his backyard in Easthampton, Massachusetts. He eventually graduated with a PhD in geography—with an emphasis on climatology—from The Pennsylvania State University, and came to work for NOAA in 2008.

This is, in part, to incorporate newer weather stations; however, more recent updates acknowledge the need to keep pace with conditions as climate changes over time, This is why temperature and precipitation normals of means, totals, and statistics often shift and change from one 30-year period to the next.Preliminary analysis shows that the Climate Normals for 1991-2020 are generally warmer in most seasons and regions of the United States, but not everywhere. Notably, the North Central U.S.

 

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NOAA It would be great if you would provide a way, in the charts, to select the normals era for the background of local climate information. I *want* to see how the temperatures for the year compare to the normals of years ago, not the latest normals.

NOAA Coldest region keeps getting colder. Lol.

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