condition mean min max ZT0-3 472.65 472.65 472.65 ZT4-7 414.6 414.6 414.6 ZT8-11 298.65 298.65 298.65 ZT12-15 372.85 372.85 372.85 ZT16-19 342.25 342.25 342.25 ZT20-23 422.45 422.45 422.45