condition mean min max ZT0-3 109.10116 109.10116 109.10116 ZT4-7 62.47233 62.47233 62.47233 ZT8-11 79.4946355 79.4946355 79.4946355 ZT12-15 151.8449385 151.8449385 151.8449385 ZT16-19 208.7860045 208.7860045 208.7860045 ZT20-23 169.655134 169.655134 169.655134