condition mean min max ZT0-3 777.45 777.45 777.45 ZT4-7 935.1 935.1 935.1 ZT8-11 1106.5500000000002 1106.5500000000002 1106.5500000000002 ZT12-15 1059.0 1059.0 1059.0 ZT16-19 826.4000000000001 826.4000000000001 826.4000000000001 ZT20-23 733.35 733.35 733.35