condition mean min max ZT0-3 72.94360754499999 68.62727234 77.25994275 ZT4-7 81.834508925 76.08602707 87.58299077999999 ZT8-11 106.2750003375 90.18910757 122.360893105 ZT12-15 64.09051432749999 45.58841682 82.59261183499999 ZT16-19 61.4796602475 56.53585685 66.423463645 ZT20-23 70.5709588925 67.818464175 73.32345361