condition mean min max ZT0-3 102.389459825 80.79906316 123.97985649 ZT4-7 97.595458665 72.42778753 122.76312979999999 ZT8-11 66.49875914833333 63.748354346666666 69.24916395 ZT12-15 83.913917815 70.56679348333333 97.26104214666668 ZT16-19 73.22260612833333 56.90245493 89.54275732666666 ZT20-23 91.58465850833333 89.86637572 93.30294129666667