testing.csv

x,y,z,2000-01-01T00:00:00.000000000,2000-01-01T03:00:00.000000000,2000-01-01T06:00:00.000000000,2000-01-01T09:00:00.000000000,2000-01-01T12:00:00.000000000,2000-01-01T15:00:00.000000000,2000-01-01T18:00:00.000000000,2000-01-01T21:00:00.000000000,2000-01-02T00:00:00.000000000,2000-01-02T03:00:00.000000000,2000-01-02T06:00:00.000000000,2000-01-02T09:00:00.000000000,2000-01-02T12:00:00.000000000,2000-01-02T15:00:00.000000000,2000-01-02T18:00:00.000000000,2000-01-02T21:00:00.000000000,2000-01-03T00:00:00.000000000
18,20,4.632425308227539,2.75,2.80,2.630974292755127,2.6161842346191406,2.6181085109710693,2.622309923171997,2.626542091369629,2.623382329940796,2.6576952934265137,2.621523141860962,2.6260409355163574,2.623323917388916,2.6184804439544678,2.619736909866333,2.6718075275421143,2.6578867435455322,2.6050679683685303
-9,-15,4.033605575561523,2.66,2.84533429145813,2.7112817764282227,2.7333176136016846,2.7291460037231445,2.733752489089966,2.738574504852295,2.7188658714294434,2.7458531856536865,2.7340121269226074,2.72843599319458,2.7347445487976074,2.7245891094207764,2.7470343112945557,2.902256727218628,2.7934138774871826,2.6928887367248535