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 0.364637622 0.2643418355 0.4649334085 ZT16-19 0.07618325375 0.0 0.1523665075 ZT20-23 0.2357969745 0.0 0.471593949