condition mean min max ZT0-3 145.39950000000002 124.1605 166.63850000000002 ZT4-7 118.119 118.119 118.119 ZT8-11 114.79599999999999 114.79599999999999 114.79599999999999 ZT12-15 0 0 0 ZT16-19 123.517 123.517 123.517 ZT20-23 134.82999999999998 134.82999999999998 134.82999999999998