condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0295388 0.0295388 0.0295388 ZT12-15 0.012343149999999999 0.0 0.024686299999999998 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0