condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0423863 0.0423863 0.0423863 ZT8-11 0.04253255 0.04253255 0.04253255 ZT12-15 0 0 0 ZT16-19 0.0844445 0.0844445 0.0844445 ZT20-23 0.0 0.0 0.0