condition mean min max ZT0-3 25.8267 17.87565 33.77775 ZT4-7 57.84139999999999 57.84139999999999 57.84139999999999 ZT8-11 19.463050000000003 19.463050000000003 19.463050000000003 ZT12-15 0 0 0 ZT16-19 14.466865 14.466865 14.466865 ZT20-23 41.069500000000005 41.069500000000005 41.069500000000005