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Associated Press
FILE - In this Friday, May 2, 2013 file photo, rhododendrons at the Garden Center of Cub Foods in Stillwater, Minn. are covered in snow after an early May snowfall. The jet stream's odd meanderings kicked off May with upside-down weather: early California wildfires fueled by heat contrasted with more than a foot of snow in Minnesota. Seattle was the hottest spot in the nation one day, and Maine and Edmonton, Canada were warmer than Miami and Phoenix. (AP Photo/St. Paul Pioneer Press, Jean Pieri)

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