condition mean min max ZT0-3 60.4223 60.4223 60.4223 ZT4-7 185.062 185.062 185.062 ZT8-11 35.32195 35.32195 35.32195 ZT12-15 1.6889699999999999 1.6889699999999999 1.6889699999999999 ZT16-19 0.5223923333333333 0.5223923333333333 0.5223923333333333 ZT20-23 1.20998 1.20998 1.20998