condition mean min max ZT0-3 10.636264999999998 9.637429999999998 11.6351 ZT4-7 10.16898 10.16898 10.16898 ZT8-11 10.309944999999999 10.309944999999999 10.309944999999999 ZT12-15 0 0 0 ZT16-19 13.57475 13.57475 13.57475 ZT20-23 10.287785 10.287785 10.287785