condition mean min max ZT0-3 1226.45 1226.45 1226.45 ZT4-7 2226.8 2226.8 2226.8 ZT8-11 2096.95 2096.95 2096.95 ZT12-15 1352.35 1352.35 1352.35 ZT16-19 659.25 659.25 659.25 ZT20-23 738.15 738.15 738.15