condition mean min max ZT0-3 0.1133189 0.02987765 0.22616940000000002 ZT4-7 0.05408 0.05408 0.05408 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0151887 0.0 0.0303774 ZT16-19 0.0530905 0.0530905 0.0530905 ZT20-23 0.1154625 0.1154625 0.1154625