condition mean min max ZT0-3 1748.55 1748.55 1748.55 ZT4-7 2327.0 2327.0 2327.0 ZT8-11 2392.7 2392.7 2392.7 ZT12-15 1809.75 1809.75 1809.75 ZT16-19 2064.05 2064.05 2064.05 ZT20-23 2467.1 2467.1 2467.1