condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.00957234 0.0 0.01914468 ZT8-11 0.030202413249999997 0.0121646695 0.048240157 ZT12-15 0.34760408325000003 0.314995923 0.3802122435 ZT16-19 0.1048008855 0.1001696765 0.1094320945 ZT20-23 0.22068141175000003 0.16364746000000002 0.27771536350000003