condition mean min max ZT0-3 1234.5 1234.5 1234.5 ZT4-7 1345.1 1345.1 1345.1 ZT8-11 1339.5 1339.5 1339.5 ZT12-15 1075.8000000000002 1075.8000000000002 1075.8000000000002 ZT16-19 1034.45 1034.45 1034.45 ZT20-23 1070.75 1070.75 1070.75