condition mean min max ZT0-3 2566.45 2566.45 2566.45 ZT4-7 1744.5 1744.5 1744.5 ZT8-11 1975.15 1975.15 1975.15 ZT12-15 2606.05 2606.05 2606.05 ZT16-19 2815.0 2815.0 2815.0 ZT20-23 2692.3500000000004 2692.3500000000004 2692.3500000000004