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["2014-09-28T22:30:00.000000000",null,278,6.063862]
["2014-09-28T22:45:00.000000000",null,279,812.0]
["2014-09-28T23:15:00.000000000",null,278,6.148808]
["2014-09-28T23:45:00.000000000",null,278,6.188852]