condition mean min max ZT0-3 114.44999999999999 114.44999999999999 114.44999999999999 ZT4-7 76.9 76.9 76.9 ZT8-11 99.6 99.6 99.6 ZT12-15 102.0 102.0 102.0 ZT16-19 117.25 117.25 117.25 ZT20-23 100.85 100.85 100.85