condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.020851241999999996 0.0 0.04170248399999999 ZT8-11 0.0 0.0 0.0 ZT12-15 1.5219252085 0.0 3.043850417 ZT16-19 0.0 0.0 0.0 ZT20-23 1.1710540299999999 0.0 2.3421080599999997