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["2014-06-02T22:30:00.000000000",null,277,0.4832172]
["2014-06-02T22:45:00.000000000",null,277,0.4780205]
["2014-06-02T23:15:00.000000000",null,279,622.0]
["2014-06-02T23:30:00.000000000",null,279,622.0]