condition mean min max ZT0-3 1.22395 1.22395 1.22395 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 1.258355 1.258355 1.258355 ZT20-23 0.62161 0.62161 0.62161