condition mean min max ZT0-3 498.03249999999997 498.03249999999997 498.03249999999997 ZT4-7 259.183 259.183 259.183 ZT8-11 90.3059 90.3059 90.3059 ZT12-15 132.9985 132.9985 132.9985 ZT16-19 342.61300000000006 342.61300000000006 342.61300000000006 ZT20-23 645.227 645.227 645.227