condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.04528395 0.04528395 0.04528395 ZT12-15 0.027653 0.027653 0.027653 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0482358 0.0482358 0.0482358