condition mean min max ZT0-3 0.023699666666666664 0.0 0.04739933333333333 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0128364 0.0128364 0.0128364 ZT12-15 9.4892e-07 0.0 1.89784e-06 ZT16-19 0.0 0.0 0.0 ZT20-23 0 0 0