condition mean min max ZT0-3 44.186175000000006 42.260400000000004 46.11195 ZT4-7 36.8166 36.8166 36.8166 ZT8-11 33.13715 33.13715 33.13715 ZT12-15 0 0 0 ZT16-19 46.50665 46.50665 46.50665 ZT20-23 46.9018 46.9018 46.9018