condition mean min max ZT0-3 0.0041637666666666665 0.0041637666666666665 0.0041637666666666665 ZT4-7 0.0 0.0 0.0 ZT8-11 0.00838585 0.00838585 0.00838585 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0058473 0.0058473 0.0058473 ZT20-23 0.0030314499999999998 0.0030314499999999998 0.0030314499999999998