condition mean min max ZT0-3 230.3 230.3 230.3 ZT4-7 128.3 128.3 128.3 ZT8-11 150.8 150.8 150.8 ZT12-15 200.45 200.45 200.45 ZT16-19 232.8 232.8 232.8 ZT20-23 232.15 232.15 232.15