condition mean min max ZT0-3 0.00944145 0.0 0.02832435 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.029742025 0.02945055 0.0300335 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0