"...in the northeastern U.S., winter temperatures have increased by 4 degrees F since 1970; in the Pacific Northwest, the depth of the Cascade Mountain snowpack on April 1 has declined by 25 percent over the last half century, while spring runoff from the Cascades now occurs nearly a month earlier than 50 years ago; and in Alaska, winter temperatures have increased a stunning 6.3 degrees F in the last 50 years."
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