condition mean min max ZT0-3 4036.45 4036.45 4036.45 ZT4-7 3423.8 3423.8 3423.8 ZT8-11 3604.35 3604.35 3604.35 ZT12-15 3489.9 3489.9 3489.9 ZT16-19 3742.55 3742.55 3742.55 ZT20-23 4116.05 4116.05 4116.05