condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.00339188 0.00339188 0.00339188 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.008713 0.008713 0.008713 ZT20-23 0.0060312000000000004 0.0060312000000000004 0.0060312000000000004