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Our Subject Matter Expert indicates that the best MERRA-2 rainfall product to use is the Total Surface Precipitation, time average, Hourly temporal resolution.

Answer: The daily volume of AIRS L1B products is: The average size of each granule: L1B-AIRS-IR-Rad: 13,440 Mb L1B-Vis/NIR-Rad: 2,640 Mb L1B-AMSU-Rad: 144 Mb L1B-HSB-Rad: 408 Mb L2-Standard-Product: 552 Mb L2-Support-Product: 2,496 Mb L2-Cloud-Cleared-Rad: 2,280 Mb L1B-AIRS-IR-Rad: 56 Mb L1B-Vis/NIR...

There is a document comparing the datasets:

https://docserver.gesdisc.eosdis.nasa.g ... sition.pdf

More technical information can be found if you wish a comparison of the data characteristics in each product.

For comparison, here is the same plot, except for August 2018.

The NASA GES DISC would like to announce a recent News article published on the Web site, entitled: "Nitrogen Dioxide Emissions Show the Intensity and Pattern of Wildfires in Central South America in August 2019" In this article, difference maps created with Giovanni and NASA Panoply demon...