condition mean min max ZT0-3 104.25 104.25 104.25 ZT4-7 153.1 153.1 153.1 ZT8-11 109.5 109.5 109.5 ZT12-15 105.15 105.15 105.15 ZT16-19 106.5 106.5 106.5 ZT20-23 61.400000000000006 61.400000000000006 61.400000000000006