condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 1.5784799999999999 1.5784799999999999 1.5784799999999999 ZT16-19 0.88117 0.88117 0.88117 ZT20-23 0.0 0.0 0.0