condition mean min max ZT0-3 95.88615910749999 82.95050387 108.82181434499999 ZT4-7 125.5214173 120.2357768 130.8070578 ZT8-11 182.8069776 164.7961874 200.8177678 ZT12-15 297.53355480000005 265.29071665 329.77639295000006 ZT16-19 253.75787254999997 213.0766081 294.43913699999996 ZT20-23 155.29471462499998 140.59823285 169.99119639999998