Plot coverage with mosdepth
Hello, thank you for this wonderful tool that makes it easier for us to calculate the average coverage

This is the first time I am doing coverage analysis and I would like to understand the results of the plot output please.
How can we interpret the attached plots and what is the output of the following command:

assane@gwas:~/mosdepth-0.3.1$ python scripts/plot-dist.py PO10_illlumina/*.mosdepth.global.dist.txt
PO10_illlumina/sample.wgs	Chr1	18	0.560
PO10_illlumina/sample.wgs	Chr2	19	0.510
PO10_illlumina/sample.wgs	Chr3	19	0.510
PO10_illlumina/sample.wgs	Chr4	18	0.560
PO10_illlumina/sample.wgs	Chr5	19	0.510
PO10_illlumina/sample.wgs	ChrC	3441	0.510
PO10_illlumina/sample.wgs	ChrM	149	0.510
PO10_illlumina/sample.wgs	total	19	0.510
assane@gwas:~/mosdepth-0.3.1$ python scripts/plot-dist.py -o PO10_nanopore/PO10nanopore_global.html PO10_nanopore/*.mosdepth.global.dist.txt
PO10_nanopore/PO10.wgs	Chr1	56	0.530
PO10_nanopore/PO10.wgs	Chr2	56	0.510
PO10_nanopore/PO10.wgs	Chr3	55	0.540
PO10_nanopore/PO10.wgs	Chr4	55	0.540
PO10_nanopore/PO10.wgs	Chr5	56	0.530
PO10_nanopore/PO10.wgs	ChrC	11830	0.510
PO10_nanopore/PO10.wgs	ChrM	334	0.510
PO10_nanopore/PO10.wgs	total	56	0.520

What do the last two columns represent?

[PO10.zip](https://github.com/brentp/mosdepth/files/6867778/PO10.zip)


Your help to explain the plots would be very useful for the continuation of my analysis
Thanks
Assane
