Read Southern Ocean Chlorophyll-a in L3 bin form.
date/s to read
daily for now
return only the latest day if date intput missing, otherwise the earliest
give the files instead of the data
ignored
speed up the read by inputting the files
extent in longitude latitude using 'raster::extent'
tibble of the values in L3 bin form
relies on processing done here https://github.com/AustralianAntarcticDivision/ocean_colour