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["2015-02-10T22:15:00.000000000",null,277,0.4678291]
["2015-02-10T22:30:00.000000000",null,278,6.119114]
["2015-02-10T22:45:00.000000000",null,278,6.106508]
["2015-02-10T23:00:00.000000000",null,278,6.145667]