condition mean min max ZT0-3 425.1 425.1 425.1 ZT4-7 418.3 418.3 418.3 ZT8-11 392.45000000000005 392.45000000000005 392.45000000000005 ZT12-15 472.25 472.25 472.25 ZT16-19 526.6 526.6 526.6 ZT20-23 533.15 533.15 533.15