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Hottest U.S. temperatures on record

Published On: Jun 21 2012 10:25:13 AM CDT   Updated On: Jun 28 2013 08:59:35 AM CDT

A potentially record-breaking heat wave is melting the Southwest. Check out the hottest U.S. temperatures on record.

Hottest Record - Arizona
17 / 18

2. Arizona -- 128 degrees (June 29, 1994)

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