condition mean min max ZT0-3 1208.8 1208.8 1208.8 ZT4-7 888.0 888.0 888.0 ZT8-11 926.35 926.35 926.35 ZT12-15 1054.05 1054.05 1054.05 ZT16-19 1298.1 1298.1 1298.1 ZT20-23 1154.9 1154.9 1154.9