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Experts Say Warmer Climate Will Become New 'Normal'03:50
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This month, the temperature averages meteorologists use got an update. It means the warmer climate will — quite literally — become the new "normal," posing a challenge for forecasters.

Until now, what's considered "normal" for temperatures was based on data from 1981 to 2010.

NPR's Jennifer Ludden looks into the concerning update to climate temperatures.

This segment aired on May 27, 2021.

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