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["2015-03-20T22:30:00.000000000",null,277,0.4703106]
["2015-03-20T22:45:00.000000000",null,278,6.33553]
["2015-03-20T23:00:00.000000000",null,278,6.025144]
["2015-03-20T23:15:00.000000000",null,279,1067.0]
["2015-03-20T23:45:00.000000000",null,278,6.13625]