condition mean min max ZT0-3 0.8201045000000001 0.5521765000000001 1.0880325000000002 ZT4-7 3.07427 3.07427 3.07427 ZT8-11 3.30597 3.30597 3.30597 ZT12-15 0 0 0 ZT16-19 4.42 4.42 4.42 ZT20-23 1.404175 1.404175 1.404175