condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.020851241999999996 0.0 0.04170248399999999 ZT8-11 0.179723506 0.098669082 0.26077793 ZT12-15 0.0 0.0 0.0 ZT16-19 0.10594240316666666 0.0 0.21188480633333331 ZT20-23 0.0 0.0 0.0