condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.008753 0.008753 0.008753 ZT8-11 0.01351225 0.01351225 0.01351225 ZT12-15 0.0059058999999999995 0.0059058999999999995 0.0059058999999999995 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0