condition mean min max ZT0-3 36.692800000000005 34.008700000000005 39.3769 ZT4-7 120.89500000000001 120.89500000000001 120.89500000000001 ZT8-11 356.17650000000003 356.17650000000003 356.17650000000003 ZT12-15 0 0 0 ZT16-19 210.0445 210.0445 210.0445 ZT20-23 89.3999 89.3999 89.3999