condition mean min max ZT0-3 825.05 825.05 825.05 ZT4-7 1306.4 1306.4 1306.4 ZT8-11 1235.2 1235.2 1235.2 ZT12-15 1438.6 1438.6 1438.6 ZT16-19 1176.4499999999998 1176.4499999999998 1176.4499999999998 ZT20-23 1024.1 1024.1 1024.1