condition mean min max ZT0-3 580.15 580.15 580.15 ZT4-7 354.6 354.6 354.6 ZT8-11 308.0 308.0 308.0 ZT12-15 294.4 294.4 294.4 ZT16-19 407.85 407.85 407.85 ZT20-23 509.70000000000005 509.70000000000005 509.70000000000005