condition mean min max ZT0-3 3261.45 3261.45 3261.45 ZT4-7 3080.0 3080.0 3080.0 ZT8-11 2606.0 2606.0 2606.0 ZT12-15 2798.45 2798.45 2798.45 ZT16-19 2728.1 2728.1 2728.1 ZT20-23 2635.75 2635.75 2635.75