condition mean min max ZT0-3 0.00444475 0.0 0.01333425 ZT4-7 0.0 0.0 0.0 ZT8-11 0.013414 0.013414 0.013414 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0