condition mean min max ZT0-3 108.001422 108.001422 108.001422 ZT4-7 148.159889 148.159889 148.159889 ZT8-11 146.302996 146.302996 146.302996 ZT12-15 190.31039900000002 190.31039900000002 190.31039900000002 ZT16-19 108.513064 108.513064 108.513064 ZT20-23 65.363713 65.363713 65.363713