condition mean min max ZT0-3 344.85675 272.77049999999997 416.943 ZT4-7 108.71835 108.71835 108.71835 ZT8-11 47.29205 47.29205 47.29205 ZT12-15 0 0 0 ZT16-19 78.4718 78.4718 78.4718 ZT20-23 97.54355000000001 97.54355000000001 97.54355000000001