condition mean min max ZT0-3 0.9483667062333334 4.56187e-05 2.4525 ZT4-7 1.08697 1.08697 1.08697 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0001267205 0.0 0.000253441 ZT16-19 0.00454403 0.00454403 0.00454403 ZT20-23 0.0 0.0 0.0