condition mean min max ZT0-3 145.96 117.8125 166.4265 ZT4-7 111.61850000000001 111.61850000000001 111.61850000000001 ZT8-11 124.201 124.201 124.201 ZT12-15 160.96650000000002 153.13600000000002 168.79700000000003 ZT16-19 166.7475 166.7475 166.7475 ZT20-23 199.55450000000002 199.55450000000002 199.55450000000002