condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.045782907000000005 0.0 0.09156581400000001 ZT8-11 0.01690216625 0.0 0.0338043325 ZT12-15 0.0801285585 0.0679581445 0.09229897249999999 ZT16-19 0.22954646149999997 0.19014966749999998 0.2689432555 ZT20-23 0.0 0.0 0.0