condition mean min max ZT0-3 134.300149 134.300149 134.300149 ZT4-7 102.6451305 102.6451305 102.6451305 ZT8-11 116.2335625 116.2335625 116.2335625 ZT12-15 113.515026 113.515026 113.515026 ZT16-19 136.86735900000002 136.86735900000002 136.86735900000002 ZT20-23 125.106856 125.106856 125.106856