condition mean min max ZT0-3 29.25 29.25 29.25 ZT4-7 83.5 83.5 83.5 ZT8-11 30.15 30.15 30.15 ZT12-15 25.55 25.55 25.55 ZT16-19 10.0 10.0 10.0 ZT20-23 36.2 36.2 36.2