condition mean min max ZT0-3 0.052086733333333336 0.052086733333333336 0.052086733333333336 ZT4-7 0.0 0.0 0.0 ZT8-11 0.015110400000000001 0.015110400000000001 0.015110400000000001 ZT12-15 0.058278 0.058278 0.058278 ZT16-19 0.04156 0.04156 0.04156 ZT20-23 0.0 0.0 0.0