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["2015-07-18T22:30:00.000000000",null,277,0.4477711]
["2015-07-18T22:45:00.000000000",null,277,0.4742393]
["2015-07-18T23:00:00.000000000",null,278,6.16784]
["2015-07-18T23:15:00.000000000",null,278,6.213623]
["2015-07-18T23:45:00.000000000",null,277,0.5013684]