condition mean min max ZT0-3 0.0892795 0.058561 0.119998 ZT4-7 1.0284745 1.0284745 1.0284745 ZT8-11 0.7795585 0.7795585 0.7795585 ZT12-15 0 0 0 ZT16-19 0.649243 0.649243 0.649243 ZT20-23 0.1185755 0.1185755 0.1185755