condition mean min max ZT0-3 144.85000000000002 144.85000000000002 144.85000000000002 ZT4-7 137.1 137.1 137.1 ZT8-11 98.15 98.15 98.15 ZT12-15 102.55 102.55 102.55 ZT16-19 118.75 118.75 118.75 ZT20-23 142.05 142.05 142.05