condition mean min max ZT0-3 0.02944167675 0.0 0.0588833535 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.2329199925 0.22078772000000002 0.245052265 ZT16-19 0.1259960985 0.0 0.251992197 ZT20-23 0.69993342975 0.5433746585 0.856492201