condition mean min max ZT0-3 174.16175 138.1655 210.15800000000002 ZT4-7 43.497550000000004 43.497550000000004 43.497550000000004 ZT8-11 22.474449999999997 22.474449999999997 22.474449999999997 ZT12-15 0 0 0 ZT16-19 44.9267 44.9267 44.9267 ZT20-23 71.65875 71.65875 71.65875