condition mean min max ZT0-3 104.15 104.15 104.15 ZT4-7 147.3 147.3 147.3 ZT8-11 161.0 161.0 161.0 ZT12-15 94.35 94.35 94.35 ZT16-19 62.05 62.05 62.05 ZT20-23 89.39999999999999 89.39999999999999 89.39999999999999