condition mean min max ZT0-3 101.33071075500001 58.947816610000004 143.7136049 ZT4-7 46.1193406075 40.070011635 52.16866958 ZT8-11 60.41288916 53.670952220000004 67.1548261 ZT12-15 75.58776998249999 74.006890925 77.16864903999999 ZT16-19 109.96153636 87.02950987 132.89356285 ZT20-23 208.898857125 177.28730710000002 240.51040715000002