condition mean min max ZT0-3 1794.15 1794.15 1794.15 ZT4-7 1557.5 1557.5 1557.5 ZT8-11 1472.05 1472.05 1472.05 ZT12-15 1290.35 1290.35 1290.35 ZT16-19 1520.85 1520.85 1520.85 ZT20-23 1754.2 1754.2 1754.2