condition mean min max ZT0-3 2701.3 2701.3 2701.3 ZT4-7 3405.5 3405.5 3405.5 ZT8-11 3415.15 3415.15 3415.15 ZT12-15 3531.0 3531.0 3531.0 ZT16-19 2903.95 2903.95 2903.95 ZT20-23 2639.0 2639.0 2639.0