condition mean min max ZT0-3 242.11767 242.11767 242.11767 ZT4-7 211.5791335 211.5791335 211.5791335 ZT8-11 204.4516645 204.4516645 204.4516645 ZT12-15 149.4942115 149.4942115 149.4942115 ZT16-19 259.9986275 259.9986275 259.9986275 ZT20-23 239.701831 239.701831 239.701831