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["2015-01-20T22:30:00.000000000",null,279,972.0]
["2015-01-20T22:45:00.000000000",null,278,6.053878]
["2015-01-20T23:00:00.000000000",null,277,0.468297]
["2015-01-20T23:15:00.000000000",null,277,0.4639033]
["2015-01-20T23:30:00.000000000",null,277,0.4791738]
["2015-01-20T23:45:00.000000000",null,279,972.0]