condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 5.44295 5.44295 5.44295 ZT8-11 0.0 0.0 0.0 ZT12-15 3.0574 0.0 6.1148 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0