condition mean min max ZT0-3 106.69685000000001 106.69685000000001 106.69685000000001 ZT4-7 68.13615 68.13615 68.13615 ZT8-11 55.0282 55.0282 55.0282 ZT12-15 70.66995 70.66995 70.66995 ZT16-19 125.41705 125.41705 125.41705 ZT20-23 99.01374999999999 99.01374999999999 99.01374999999999