condition mean min max ZT0-3 0.4811651666666667 0.0 1.2984085 ZT4-7 4.00863e-06 4.00863e-06 4.00863e-06 ZT8-11 0.0058555 0.0058555 0.0058555 ZT12-15 0.20178381611070748 5.12940776e-06 0.40356250281365497 ZT16-19 0.0110659 0.0110659 0.0110659 ZT20-23 0.0017352087499999998 0.0017352087499999998 0.0017352087499999998