condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.014365300000000001 0.014365300000000001 0.014365300000000001 ZT12-15 0.0184624 0.0149736 0.0219512 ZT16-19 0.00669735 0.00669735 0.00669735 ZT20-23 0.0153959 0.0153959 0.0153959