condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.14077545875 0.124961595 0.1565893225 ZT16-19 0.10804170525000001 0.0 0.21608341050000002 ZT20-23 0.0 0.0 0.0