condition mean min max ZT0-3 0.00999975 0.0 0.02999925 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.11008974999999999 0.0654185 0.15476099999999998 ZT16-19 0.0291485 0.0291485 0.0291485 ZT20-23 0.0328681 0.0328681 0.0328681