condition mean min max ZT0-3 1.0783925 0.2184125 1.633 ZT4-7 0.4092475 0.4092475 0.4092475 ZT8-11 0.345411 0.345411 0.345411 ZT12-15 1.7191575000000001 1.66571 1.772605 ZT16-19 2.084015 2.084015 2.084015 ZT20-23 2.46679 2.46679 2.46679