condition mean min max ZT0-3 1520.55 1520.55 1520.55 ZT4-7 1558.9 1558.9 1558.9 ZT8-11 1344.0 1344.0 1344.0 ZT12-15 1204.0 1204.0 1204.0 ZT16-19 1374.3 1374.3 1374.3 ZT20-23 1529.9 1529.9 1529.9