condition mean min max ZT0-3 1702.475 1702.475 1702.475 ZT4-7 1937.135 1937.135 1937.135 ZT8-11 2290.36 2290.36 2290.36 ZT12-15 2409.98 2409.98 2409.98 ZT16-19 1736.515 1736.515 1736.515 ZT20-23 1586.22 1586.22 1586.22