condition mean min max ZT0-3 0.20493245975 0.08960027749999999 0.320264642 ZT4-7 0.02194590225 0.0187747425 0.025117062 ZT8-11 1.76807243425 0.20723934900000002 3.3289055195 ZT12-15 6.285777295999999 5.1567174184999995 7.4148371735 ZT16-19 3.04466858575 2.158365371 3.9309718005 ZT20-23 0.53784665325 0.348796816 0.7268964905