condition mean min max ZT0-3 0.706975 0.706975 0.706975 ZT4-7 0.1509125 0.1509125 0.1509125 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 2.675e-08 2.675e-08 2.675e-08 ZT20-23 0.24120200000000003 0.24120200000000003 0.24120200000000003