condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.16462021100000002 0.0 0.32924042200000003 ZT8-11 0.09950559075 0.0505794145 0.148431767 ZT12-15 0.84205786825 0.8225524005 0.861563336 ZT16-19 0.23766705999999999 0.1179029145 0.35743120549999996 ZT20-23 0.0 0.0 0.0