condition mean min max ZT0-3 102.30000000000001 102.30000000000001 102.30000000000001 ZT4-7 92.4 92.4 92.4 ZT8-11 100.4 100.4 100.4 ZT12-15 117.2 117.2 117.2 ZT16-19 126.35 126.35 126.35 ZT20-23 103.65 103.65 103.65