condition mean min max ZT0-3 92.25 92.25 92.25 ZT4-7 90.4 90.4 90.4 ZT8-11 77.44999999999999 77.44999999999999 77.44999999999999 ZT12-15 92.0 92.0 92.0 ZT16-19 91.0 91.0 91.0 ZT20-23 103.35 103.35 103.35