condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 4.98463 4.98463 4.98463 ZT8-11 2.7044 2.7044 2.7044 ZT12-15 0.0 0.0 0.0 ZT16-19 2.15555 2.15555 2.15555 ZT20-23 1.080205 1.080205 1.080205