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["2015-08-01T20:00:00.000000000",null,277,0.4280639]
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["2015-08-01T22:00:00.000000000",null,277,0.4505966]
["2015-08-01T23:30:00.000000000",null,278,6.158001]
["2015-08-01T23:45:00.000000000",null,279,1280.0]