condition mean min max ZT0-3 1775.85 1775.85 1775.85 ZT4-7 1898.3 1898.3 1898.3 ZT8-11 1680.15 1680.15 1680.15 ZT12-15 1506.1 1506.1 1506.1 ZT16-19 1447.15 1447.15 1447.15 ZT20-23 1677.05 1677.05 1677.05