condition mean min max ZT0-3 55.110004 55.110004 55.110004 ZT4-7 76.0600625 76.0600625 76.0600625 ZT8-11 81.502816 81.502816 81.502816 ZT12-15 76.637011 76.637011 76.637011 ZT16-19 85.0619915 85.0619915 85.0619915 ZT20-23 98.06307849999999 98.06307849999999 98.06307849999999