condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.02579075 0.02579075 0.02579075 ZT8-11 0.0 0.0 0.0 ZT12-15 0.013543725 0.0 0.02708745 ZT16-19 0.02624465 0.02624465 0.02624465 ZT20-23 0.0 0.0 0.0