condition mean min max ZT0-3 1132.4 1132.4 1132.4 ZT4-7 1495.4 1495.4 1495.4 ZT8-11 1512.8000000000002 1512.8000000000002 1512.8000000000002 ZT12-15 1440.45 1440.45 1440.45 ZT16-19 1306.95 1306.95 1306.95 ZT20-23 1246.95 1246.95 1246.95