condition mean min max ZT0-3 0.029470450000000002 0.0 0.0603375 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0144256 0.0 0.0288512 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0