condition mean min max ZT0-3 165.25 165.25 165.25 ZT4-7 125.4 125.4 125.4 ZT8-11 167.65 167.65 167.65 ZT12-15 146.85 146.85 146.85 ZT16-19 130.3 130.3 130.3 ZT20-23 147.10000000000002 147.10000000000002 147.10000000000002