condition mean min max ZT0-3 71.00255000000001 70.69810000000001 71.307 ZT4-7 33.178 33.178 33.178 ZT8-11 30.56875 30.56875 30.56875 ZT12-15 0 0 0 ZT16-19 49.962199999999996 49.962199999999996 49.962199999999996 ZT20-23 55.30285 55.30285 55.30285