condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.31623002425 0.0 0.6324600485 ZT12-15 0.02759133725 0.0 0.0551826745 ZT16-19 0.0 0.0 0.0 ZT20-23 0.2620041865 0.2314040525 0.2926043205