condition mean min max ZT0-3 1.5688866001333333 1.5688866001333333 1.5688866001333333 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.01083235 0.01083235 0.01083235 ZT16-19 2.11093 2.11093 2.11093 ZT20-23 0.0 0.0 0.0