condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.00183607 0.0 0.00367214 ZT12-15 0.001278439 0.0 0.002556878 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0