condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.050962592249999994 0.0 0.10192518449999999 ZT12-15 7.8000088355 7.6718564255 7.9281612455 ZT16-19 3.595155814 3.4398745584999997 3.7504370695 ZT20-23 8.233693232 5.667107971 10.800278493