condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0034011749999999998 0.0034011749999999998 0.0034011749999999998 ZT12-15 0.00865765 0.00865765 0.00865765 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0