condition mean min max ZT0-3 2308.05 2308.05 2308.05 ZT4-7 2754.7 2754.7 2754.7 ZT8-11 2666.1000000000004 2666.1000000000004 2666.1000000000004 ZT12-15 2419.45 2419.45 2419.45 ZT16-19 2525.05 2525.05 2525.05 ZT20-23 2316.45 2316.45 2316.45