condition mean min max ZT0-3 297.64250000000004 297.64250000000004 297.64250000000004 ZT4-7 447.1155 447.1155 447.1155 ZT8-11 402.594 402.594 402.594 ZT12-15 357.392 357.392 357.392 ZT16-19 156.4995 156.4995 156.4995 ZT20-23 94.58680000000001 94.58680000000001 94.58680000000001