condition mean min max ZT0-3 104.87725 104.323 105.4315 ZT4-7 88.13255000000001 88.13255000000001 88.13255000000001 ZT8-11 64.1348 64.1348 64.1348 ZT12-15 0 0 0 ZT16-19 91.60669999999999 91.60669999999999 91.60669999999999 ZT20-23 98.72765 98.72765 98.72765