The New Normal Temperatures

The Map Room: The New Normal Temperatures.

NOAA calculates the normal, or average temperature, based on a rolling 30 year average.  It’s updated every 10 years, so here’s the new “normal” – the map above shows the temperature change from the “old” to the “new” normal.

…the map shows the increase in degrees Fahrenheit between the 1971-2000 and 1981-2010 normal minimum temperatures for January.

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