condition mean min max ZT0-3 2.1813166666666666e-05 0.0 6.54395e-05 ZT4-7 3.93187 3.93187 3.93187 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0