condition mean min max ZT0-3 10388.9 10388.9 10388.9 ZT4-7 8496.3 8496.3 8496.3 ZT8-11 7738.1 7738.1 7738.1 ZT12-15 8245.45 8245.45 8245.45 ZT16-19 8799.15 8799.15 8799.15 ZT20-23 9147.3 9147.3 9147.3