condition mean min max ZT0-3 99.936276365 91.59921194 108.27334078999999 ZT4-7 132.14900989999998 123.34788495 140.95013484999998 ZT8-11 184.96563565000002 168.3264057 201.60486560000004 ZT12-15 286.22347297500005 266.15960745 306.28733850000003 ZT16-19 273.781014 238.62043290000003 308.9415951 ZT20-23 158.6314785 136.54052309999997 180.7224339