condition mean min max ZT0-3 5227.55 5227.55 5227.55 ZT4-7 5400.5 5400.5 5400.5 ZT8-11 5294.450000000001 5294.450000000001 5294.450000000001 ZT12-15 5053.8 5053.8 5053.8 ZT16-19 5031.4 5031.4 5031.4 ZT20-23 5183.6 5183.6 5183.6