condition mean min max ZT0-3 0.25107446075 0.0 0.5021489215 ZT4-7 0.6926192919999999 0.5675329155 0.8177056684999999 ZT8-11 0.540037742 0.43365199749999994 0.6464234865 ZT12-15 7.498363093249999 5.4233599235000005 9.573366262999999 ZT16-19 2.099341679 1.5436165005 2.6550668575 ZT20-23 0.9746307060000001 0.7993099570000001 1.149951455