condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.00906545 0.00906545 0.00906545 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.03147535 0.03147535 0.03147535 ZT20-23 0.00392909 0.00392909 0.00392909