condition mean min max ZT0-3 97.85 97.85 97.85 ZT4-7 164.4 164.4 164.4 ZT8-11 85.95 85.95 85.95 ZT12-15 27.2 27.2 27.2 ZT16-19 55.5 55.5 55.5 ZT20-23 94.94999999999999 94.94999999999999 94.94999999999999