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["2014-12-21T22:00:00.000000000",null,278,6.221739]
["2014-12-21T22:15:00.000000000",null,278,6.234914]
["2014-12-21T22:30:00.000000000",null,279,939.0]
["2014-12-21T22:45:00.000000000",null,277,0.4976112]
["2014-12-21T23:30:00.000000000",null,279,939.0]
["2014-12-21T23:45:00.000000000",null,279,939.0]