condition mean min max 0 h after light 0.079264 0.0 0.158528 4 h after light 0.312599 0.0 0.625198 8 h after light 0.5557345 0.484114 0.627355 4 h after dark 0.23384950000000002 0.15631 0.311389 8 h after dark 0.5490865 0.46839 0.629783 12 h after dark 0.154866 0.0 0.309732