condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.79429 0.79429 0.79429 ZT8-11 0.0 0.0 0.0 ZT12-15 0 0 0 ZT16-19 1.588685 1.588685 1.588685 ZT20-23 0.800115 0.800115 0.800115