condition mean min max ZT0-3 36.790594 36.790594 36.790594 ZT4-7 19.576801500000002 19.576801500000002 19.576801500000002 ZT8-11 11.246184 11.246184 11.246184 ZT12-15 104.829466 104.829466 104.829466 ZT16-19 16.595117000000002 16.595117000000002 16.595117000000002 ZT20-23 110.462966 110.462966 110.462966