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["2015-04-07T22:15:00.000000000",null,277,0.5044323]
["2015-04-07T22:30:00.000000000",null,277,0.4751121]
["2015-04-07T22:45:00.000000000",null,279,1098.0]
["2015-04-07T23:00:00.000000000",null,279,1098.0]
["2015-04-07T23:15:00.000000000",null,277,0.5057829]
["2015-04-07T23:45:00.000000000",null,277,0.4941126]