condition mean min max ZT0-3 152.99450000000002 152.99450000000002 152.99450000000002 ZT4-7 130.8665 130.8665 130.8665 ZT8-11 112.2685 112.2685 112.2685 ZT12-15 162.06 162.06 162.06 ZT16-19 160.73 160.73 160.73 ZT20-23 156.397 156.397 156.397