Heat records keep melting nationwide

POSTED: 8:24 AM PDT August 1, 2012    UPDATED: 9:01 AM PDT August 1, 2012 

July was the hottest month -- or among the hottest months -- on record in many cities. Find out where the weather records just keep falling.

July Records - Louisville
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Louisville, Ky. -- July 2012 was the hottest July on record in Louisville, but it's still second to the warmest month on record set in August 2007.