condition mean min max ZT0-3 1653.15 1653.15 1653.15 ZT4-7 1391.5 1391.5 1391.5 ZT8-11 1281.1 1281.1 1281.1 ZT12-15 1084.4 1084.4 1084.4 ZT16-19 1339.25 1339.25 1339.25 ZT20-23 1301.0500000000002 1301.0500000000002 1301.0500000000002