condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 2.51232 2.51232 2.51232 ZT8-11 2.520985 2.520985 2.520985 ZT12-15 0 0 0 ZT16-19 2.51248 2.51248 2.51248 ZT20-23 0.0 0.0 0.0