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["2015-06-25T22:45:00.000000000",null,279,1230.0]
["2015-06-25T23:00:00.000000000",null,277,0.4969538]
["2015-06-25T23:15:00.000000000",null,277,0.4663007]
["2015-06-25T23:30:00.000000000",null,277,0.4764041]
["2015-06-25T23:45:00.000000000",null,277,0.4781124]