condition mean min max ZT0-3 0.59122975 0.311564 0.8708955 ZT4-7 1.361152 1.361152 1.361152 ZT8-11 3.291035 3.291035 3.291035 ZT12-15 0 0 0 ZT16-19 2.29884 2.29884 2.29884 ZT20-23 1.0785145 1.0785145 1.0785145