condition mean min max ZT0-3 4283.35 4283.35 4283.35 ZT4-7 3585.5 3585.5 3585.5 ZT8-11 3457.1 3457.1 3457.1 ZT12-15 3320.9 3320.9 3320.9 ZT16-19 4096.1 4096.1 4096.1 ZT20-23 3427.8 3427.8 3427.8