condition mean min max ZT0-3 193.39999999999998 193.39999999999998 193.39999999999998 ZT4-7 193.9 193.9 193.9 ZT8-11 196.1 196.1 196.1 ZT12-15 175.8 175.8 175.8 ZT16-19 298.35 298.35 298.35 ZT20-23 360.15 360.15 360.15