condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.278119 0.278119 0.278119 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.2405395 0.2405395 0.2405395 ZT20-23 0.0 0.0 0.0