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["2015-01-02T23:00:00.000000000",null,278,6.100521]
["2015-01-02T23:15:00.000000000",null,277,0.4833575]
["2015-01-02T23:30:00.000000000",null,277,0.4635945]
["2015-01-02T23:45:00.000000000",null,277,0.4676621]