condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.01971885 0.01971885 0.01971885 ZT8-11 0.020775 0.020775 0.020775 ZT12-15 0.12818155 0.08645459999999999 0.16990850000000002 ZT16-19 0.0401318 0.0401318 0.0401318 ZT20-23 0.0 0.0 0.0