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Cool off in Big Wood River

Kevork Djansezian / Getty Images

Payton Sehofield, 12, jumps into the Big Wood River from an old train bridge to cool off on July 9, 2012 in Sun Valley, Idaho. According to a report from the National Oceanic and Atmospheric Administration (NOAA) the first six months of 2012 accounted for the warmest January-through-June period on record (since record keeping began in 1895) for the U.S. mainland. 


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