NPR

Your Weather Forecast Update: Warmer Climate Will Be The New 'Normal'

In May, NOAA will release its once-a-decade update for the 30-year weather averages that local meteorologists use. In many places, it will mean far fewer days that are 'above normal.'
A pedestrian uses an umbrella to get some relief from the sun as she walks past a sign displaying the temperature on June 20, 2017 in Phoenix, Ariz.

It's become so common, perhaps you've stopped noticing how often your local weather forecast is "above normal." It's during extreme heat in the summer. It's when mild temperatures persist through the winter. It's when nights don't cool down like they used to.

But on May 4, the hotter Earth will officially become the new normal.

That's when the National Oceanic and Atmospheric Administration (NOAA) releases its once-a-decade update to "climate normals." They are the 30-year averages for temperature and precipitation that local meteorologists rely on as the baseline for their forecasts. To be sure, some updates will be miniscule. But the fastest-warming places will

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