condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.054440708750000004 0.0147746795 0.09410673800000001 ZT8-11 4.384338469 2.5890108735000004 6.1796660645 ZT12-15 8.50470991325 8.1135110245 8.895908802 ZT16-19 0.93692674725 0.48822489199999997 1.3856286025000002 ZT20-23 0.12477221599999999 0.062186211000000005 0.187358221