Why the Northwest's heat wave didn't just break records, it obliterated them

Why the Northwest's heat wave didn't just break records, it obliterated them

Mashable

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When all-time heat records break, they usually break by a degree or so. Maybe two.

The heat wave in the Pacific Northwest and beyond, however, smashed Portland's all-time record by a whopping four degrees Fahrenheit (it may rise more), and in some places the extreme episode broke all-time records by 10 degrees.

"It's a...

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