condition mean min max ZT0-3 26.083061684999997 24.70369276 27.46243061 ZT4-7 26.630469495 25.31030802 27.95063097 ZT8-11 26.872732210000002 24.912543595 28.832920825000002 ZT12-15 27.0386246725 26.500091395 27.57715795 ZT16-19 31.70947865 29.54229574 33.87666156 ZT20-23 42.812708722500005 38.740071815 46.88534563