condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.02007335 0.02007335 0.02007335 ZT8-11 0.02005395 0.02005395 0.02005395 ZT12-15 0 0 0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0