condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0175319 0.0175319 0.0175319 ZT12-15 0.00857645 0.00857645 0.00857645 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0349825 0.0349825 0.0349825