condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.009151395 0.009151395 0.009151395 ZT8-11 0.0 0.0 0.0 ZT12-15 0.01643901 0.01643901 0.01643901 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0