condition mean min max ZT0-3 2932.45 2932.45 2932.45 ZT4-7 2678.3 2678.3 2678.3 ZT8-11 3032.3500000000004 3032.3500000000004 3032.3500000000004 ZT12-15 2690.1 2690.1 2690.1 ZT16-19 3197.8 3197.8 3197.8 ZT20-23 3502.85 3502.85 3502.85