condition mean min max ZT0-3 46.351150000000004 46.351150000000004 46.351150000000004 ZT4-7 32.69265 32.69265 32.69265 ZT8-11 30.81405 30.81405 30.81405 ZT12-15 27.83765 27.83765 27.83765 ZT16-19 47.6044 47.6044 47.6044 ZT20-23 53.82415 53.82415 53.82415