condition mean min max ZT0-3 286.5961666666667 163.5565 359.33 ZT4-7 108.311 108.311 108.311 ZT8-11 90.0823 90.0823 90.0823 ZT12-15 136.62075 135.947 137.2945 ZT16-19 184.4195 184.4195 184.4195 ZT20-23 342.4885 342.4885 342.4885