condition mean min max ZT0-3 3409.55 3409.55 3409.55 ZT4-7 2970.4 2970.4 2970.4 ZT8-11 2896.55 2896.55 2896.55 ZT12-15 2902.2 2902.2 2902.2 ZT16-19 3600.05 3600.05 3600.05 ZT20-23 3560.75 3560.75 3560.75