condition mean min max ZT0-3 619.4 619.4 619.4 ZT4-7 529.2 529.2 529.2 ZT8-11 478.0 478.0 478.0 ZT12-15 554.45 554.45 554.45 ZT16-19 578.5 578.5 578.5 ZT20-23 610.0999999999999 610.0999999999999 610.0999999999999