condition mean min max ZT0-3 66.9380213125 58.215217595 75.66082503 ZT4-7 55.02807858 49.136392584999996 60.919764575 ZT8-11 54.0800987775 53.527271035 54.63292652 ZT12-15 81.66137435499999 80.70721012999999 82.61553857999999 ZT16-19 110.6148405825 100.844849165 120.384832 ZT20-23 114.215710475 107.09835974999999 121.3330612