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["2015-07-13T22:30:00.000000000",null,279,1261.0]
["2015-07-13T22:45:00.000000000",null,279,1261.0]
["2015-07-13T23:00:00.000000000",null,277,0.48942]
["2015-07-13T23:30:00.000000000",null,277,0.4795091]
["2015-07-13T23:45:00.000000000",null,277,0.4915084]