condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.11532656324999999 0.0 0.23065312649999997 ZT8-11 0.04257634275 0.0 0.0851526855 ZT12-15 0.0 0.0 0.0 ZT16-19 0.07011877375 0.0 0.1402375475 ZT20-23 0.10766665 0.079351737 0.135981563