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["2015-03-15T22:30:00.000000000",null,278,6.235798]
["2015-03-15T22:45:00.000000000",null,277,0.4826388]
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["2015-03-15T23:30:00.000000000",null,277,0.4737424]
["2015-03-15T23:45:00.000000000",null,277,0.4925086]