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["2013-04-20T23:00:00.000000000",null,3024,209.1]
["2013-04-20T23:15:00.000000000",null,3023,0.086]
["2013-04-20T23:30:00.000000000",null,3023,0.086]
["2013-04-20T23:45:00.000000000",null,3024,209.4]