condition mean min max ZT0-3 75.31162786499999 62.63018011 87.99307562 ZT4-7 105.10766239333334 103.38018543666668 106.83513935 ZT8-11 104.78889324833332 104.71023724666667 104.86754924999998 ZT12-15 86.13640921 74.63450578 97.63831264 ZT16-19 49.49284662 48.054947973333334 50.93074526666667 ZT20-23 47.47652585 46.563748753333336 48.38930294666667