New Normal for USA
The U.S. environment agency NOAA issued its latest calculations of what is now the climatic “normal,” which is based on temperature averages from the past three decades.
The previous normals were based on weather data from 1981 to 2010. But because of the unprecedented warmth of the past two decades, evidence of the current climate emergency is clearly evident in the new 1991-2020 calculations.
The average temperature in the 48 contiguous United States for the past 30 years is now almost a half-degree Fahrenheit hotter than between 1981 and 2010.
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