condition mean min max ZT0-3 1204.35 1204.35 1204.35 ZT4-7 1220.8 1220.8 1220.8 ZT8-11 1403.8 1403.8 1403.8 ZT12-15 1452.1 1452.1 1452.1 ZT16-19 1446.75 1446.75 1446.75 ZT20-23 1392.25 1392.25 1392.25