condition mean min max ZT0-3 148.363 148.363 148.363 ZT4-7 144.37349999999998 144.37349999999998 144.37349999999998 ZT8-11 67.1067 67.1067 67.1067 ZT12-15 33.6242 33.6242 33.6242 ZT16-19 139.948 139.948 139.948 ZT20-23 96.8202 96.8202 96.8202