condition mean min max ZT0-3 110.27676627250001 85.27373914500001 135.27979340000002 ZT4-7 59.368704574999995 54.365513054999994 64.371896095 ZT8-11 75.574423365 68.420143775 82.728702955 ZT12-15 61.10502495 58.55921117 63.650838730000004 ZT16-19 66.5895830625 66.167246385 67.01191974 ZT20-23 70.2585815075 68.731226735 71.78593627999999