condition mean min max ZT0-3 1230.1 1230.1 1230.1 ZT4-7 713.9 713.9 713.9 ZT8-11 697.55 697.55 697.55 ZT12-15 819.0 819.0 819.0 ZT16-19 896.05 896.05 896.05 ZT20-23 1033.2 1033.2 1033.2