condition mean min max ZT0-3 5725.65 5725.65 5725.65 ZT4-7 6465.9 6465.9 6465.9 ZT8-11 6022.950000000001 6022.950000000001 6022.950000000001 ZT12-15 6760.6 6760.6 6760.6 ZT16-19 6345.2 6345.2 6345.2 ZT20-23 5565.35 5565.35 5565.35