condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.384593 0.384593 0.384593 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 3.975e-06 3.975e-06 3.975e-06 ZT20-23 0.059854 0.059854 0.059854