condition mean min max ZT0-3 1193.1 1193.1 1193.1 ZT4-7 996.0 996.0 996.0 ZT8-11 1067.1 1067.1 1067.1 ZT12-15 936.05 936.05 936.05 ZT16-19 1153.25 1153.25 1153.25 ZT20-23 1316.4 1316.4 1316.4