condition mean min max ZT0-3 484.45 484.45 484.45 ZT4-7 447.2 447.2 447.2 ZT8-11 353.0 353.0 353.0 ZT12-15 303.35 303.35 303.35 ZT16-19 324.55 324.55 324.55 ZT20-23 307.15 307.15 307.15