condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.02615403175 0.020996502 0.0313115615 ZT16-19 0.0313959855 0.027071953500000003 0.0357200175 ZT20-23 0.01223524325 0.0 0.0244704865