condition mean min max ZT0-3 1.53e-08 1.53e-08 1.53e-08 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0309929 0.0309929 0.0309929 ZT12-15 0.0615825 0.0615825 0.0615825 ZT16-19 0.0 0.0 0.0 ZT20-23 0.1634245 0.1634245 0.1634245