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["2015-06-30T21:30:00.000000000",null,278,6.042802]
["2015-06-30T21:45:00.000000000",null,279,1239.0]
["2015-06-30T22:00:00.000000000",null,279,1239.0]
["2015-06-30T22:45:00.000000000",null,279,1239.0]
["2015-06-30T23:30:00.000000000",null,277,0.5062104]