condition mean min max ZT0-3 25.0169 23.92125 26.11255 ZT4-7 13.114 13.114 13.114 ZT8-11 14.0933 14.0933 14.0933 ZT12-15 0 0 0 ZT16-19 22.90495 22.90495 22.90495 ZT20-23 24.699849999999998 24.699849999999998 24.699849999999998