condition mean min max ZT0-3 740.1 740.1 740.1 ZT4-7 1601.8 1601.8 1601.8 ZT8-11 1801.15 1801.15 1801.15 ZT12-15 1757.1 1757.1 1757.1 ZT16-19 1157.75 1157.75 1157.75 ZT20-23 837.55 837.55 837.55