condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0784195 0.0784195 0.0784195 ZT12-15 0 0 0 ZT16-19 0.078155 0.078155 0.078155 ZT20-23 0.15678799999999998 0.15678799999999998 0.15678799999999998