condition mean min max ZT0-3 2028.15 2028.15 2028.15 ZT4-7 2362.2 2362.2 2362.2 ZT8-11 2081.7 2081.7 2081.7 ZT12-15 2039.1000000000001 2039.1000000000001 2039.1000000000001 ZT16-19 2070.2 2070.2 2070.2 ZT20-23 1943.5 1943.5 1943.5