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["2015-06-21T22:00:00.000000000",null,279,1224.0]
["2015-06-21T22:30:00.000000000",null,278,6.007319]
["2015-06-21T23:15:00.000000000",null,278,6.081893]
["2015-06-21T23:30:00.000000000",null,279,1224.0]
["2015-06-21T23:45:00.000000000",null,277,0.4640823]