condition mean min max ZT0-3 114.85 114.85 114.85 ZT4-7 102.0 102.0 102.0 ZT8-11 88.4 88.4 88.4 ZT12-15 110.55000000000001 110.55000000000001 110.55000000000001 ZT16-19 103.80000000000001 103.80000000000001 103.80000000000001 ZT20-23 113.25 113.25 113.25