condition mean min max ZT0-3 0.02359123775 0.0 0.0471824755 ZT4-7 0.2556908525 0.09521510999999999 0.416166595 ZT8-11 1.30171364375 0.9090221575 1.69440513 ZT12-15 3.53019846675 2.095049161 4.9653477724999995 ZT16-19 2.03347882175 2.024376884 2.0425807595 ZT20-23 2.9818340545 2.9422080355 3.0214600735