condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0357816 0.0357816 0.0357816 ZT8-11 0.036906850000000005 0.036906850000000005 0.036906850000000005 ZT12-15 0.16046902205 0.16046902205 0.16046902205 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0151013 0.0151013 0.0151013