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["2015-02-14T22:00:00.000000000",null,277,0.4828837]
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["2015-02-14T22:30:00.000000000",null,279,1013.0]
["2015-02-14T23:00:00.000000000",null,277,0.4616624]
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["2015-02-14T23:30:00.000000000",null,278,6.143494]