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["2013-03-08T23:00:00.000000000",null,3024,208.1]
["2013-03-08T23:15:00.000000000",null,3023,0.09]
["2013-03-08T23:30:00.000000000",null,3023,0.078]
["2013-03-08T23:45:00.000000000",null,3025,0.4]