condition mean min max ZT0-3 765.4000000000001 765.4000000000001 765.4000000000001 ZT4-7 603.9 603.9 603.9 ZT8-11 660.55 660.55 660.55 ZT12-15 650.2 650.2 650.2 ZT16-19 723.0 723.0 723.0 ZT20-23 784.5 784.5 784.5