condition mean min max ZT0-3 67.4421985075 35.78084554 99.10355147499999 ZT4-7 95.17128676249999 75.41653325 114.92604027499999 ZT8-11 34.7016223375 34.160711785000004 35.24253289 ZT12-15 109.42966414 78.32768793 140.53164035 ZT16-19 148.04534175 146.74744040000002 149.3432431 ZT20-23 118.39500776250001 102.796259625 133.99375590000002