Jump to navigation
Photos and illustrations from GPM, TRMM, and the Ground Validation missions.
Videos and animations from GPM, TRMM, and the Ground Validation missions.
Get answers to some of the more frequently asked questions about the GPM and TRMM missions and precipitation measurement in general.
Learn definitions for the terms which are used to describe and explain precipitation measurement.
A resource for both teachers and students, learn about the basics of precipitation measurement and get lessons which can be used in the classroom.
Information about the Precipitation Measurement Missions for the press and media, including ready-to-use press material, and examples of PMM in the news.
View the PMM document repository, in which you can download scientific papers and other documents from GPM, TRMM, and the Ground Validation missions.
Explore other websites which provide information about precipitation measurement.