condition mean min max ZT0-3 105.59152 105.59152 105.59152 ZT4-7 138.1091855 138.1091855 138.1091855 ZT8-11 145.2723005 145.2723005 145.2723005 ZT12-15 117.130438 117.130438 117.130438 ZT16-19 117.1923585 117.1923585 117.1923585 ZT20-23 104.0614825 104.0614825 104.0614825