condition mean min max ZT0-3 152.934975 97.22295 208.647 ZT4-7 36.367850000000004 36.367850000000004 36.367850000000004 ZT8-11 53.632099999999994 53.632099999999994 53.632099999999994 ZT12-15 0 0 0 ZT16-19 41.21535 41.21535 41.21535 ZT20-23 22.96285 22.96285 22.96285