condition mean min max ZT0-3 4015.35 4015.35 4015.35 ZT4-7 6211.1 6211.1 6211.1 ZT8-11 4925.4 4925.4 4925.4 ZT12-15 4854.049999999999 4854.049999999999 4854.049999999999 ZT16-19 3826.55 3826.55 3826.55 ZT20-23 3904.55 3904.55 3904.55