condition mean min max ZT0-3 299.35 299.35 299.35 ZT4-7 264.6 264.6 264.6 ZT8-11 262.7 262.7 262.7 ZT12-15 325.4 325.4 325.4 ZT16-19 284.0 284.0 284.0 ZT20-23 352.15 352.15 352.15