condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.01540565 0.01540565 0.01540565 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0500495 0.0500495 0.0500495 ZT20-23 0.01648245 0.01648245 0.01648245