condition mean min max ZT0-3 0.01573835 0.01573835 0.01573835 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0158014 0.0158014 0.0158014 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0