condition mean min max ZT0-3 13368.7 13368.7 13368.7 ZT4-7 13673.8 13673.8 13673.8 ZT8-11 13429.349999999999 13429.349999999999 13429.349999999999 ZT12-15 11736.45 11736.45 11736.45 ZT16-19 10657.0 10657.0 10657.0 ZT20-23 11224.45 11224.45 11224.45