condition mean min max ZT0-3 1347.45 1347.45 1347.45 ZT4-7 1764.4 1764.4 1764.4 ZT8-11 1864.95 1864.95 1864.95 ZT12-15 1864.25 1864.25 1864.25 ZT16-19 1444.6 1444.6 1444.6 ZT20-23 1409.7 1409.7 1409.7