Switch Data Analysis: May Update (NS has record best May Year 5)

[mk7sx]

I would say ignore how VGChartz is counting months and just count VGChartz weeks. Use your own standard for the months so that year to year is comparable. Follow NPD standard of 4/4/5 per quarter (or whatever you prefer, as long as its the same methodology each year). Every 7ish years will need a 6 week December but that's okay as long as it is annotated.