condition mean min max ZT0-3 0.69130010425 0.31349997749999997 1.069100231 ZT4-7 0.39116069675 0.3413257245 0.44099566900000003 ZT8-11 1.02447453125 0.6344448585 1.414504204 ZT12-15 0.8803218107499999 0.518160512 1.2424831095 ZT16-19 0.40086244675000005 0.278308049 0.5234168445 ZT20-23 0.5750093942500001 0.523515917 0.6265028715000001