condition mean min max ZT0-3 1.37306792225 1.1155406945 1.63059515 ZT4-7 0.092889834 0.0344292945 0.1513503735 ZT8-11 19.059437795250002 1.2539446365 36.864930954 ZT12-15 67.72285363499999 62.22273008 73.22297719 ZT16-19 29.53929085475 21.5717431245 37.506838585 ZT20-23 7.191455132250001 4.036882368 10.3460278965