condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.00234485 0.00234485 0.00234485 ZT8-11 0.0 0.0 0.0 ZT12-15 0.003105825 0.003105825 0.003105825 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0