TRMM (TMPA) Rainfall Estimate L3 3 hour 0.25 degree x 0.25 degree V7 (TRMM_3B42) at GES DISC

TMPA (3B42) dataset have been discontinued as of Dec. 31, 2019, and users are strongly encouraged to shift to the successor IMERG dataset (doi: 10.5067/GPM/IMERG/3B-HH/06).

This dataset was the output from the TMPA (TRMM Multi-satellite Precipitation Analysis) Algorithm. It provides precipitation estimates in the TRMM regions that have the (nearly-zero) bias of the ”TRMM Combined Instrument” precipitation estimate and the dense sampling of high-quality microwave data with fill-in using microwave-calibrated infrared estimates. The granule temporal coverage is 3 hours.

Data and Resources

Additional Info

Field	Value
Maintainer	Earthdata Forum
Last Updated	June 23, 2026, 02:26 (UTC)
Created	April 1, 2025, 19:34 (UTC)
accessLevel	public
bureauCode	{026:00}
catalog_conformsTo	https://project-open-data.cio.gov/v1.1/schema
harvest_object_id	cab26c14-d92e-4379-9b75-ead6a9cad3c6
harvest_source_id	b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title	Science Discovery Engine
identifier	10.5067/TRMM/TMPA/3H/7
license	https://www.usa.gov/government-works
modified	2026-06-15T22:16:02Z
programCode	{026:000}
publisher	NASA/GSFC/SED/ESD/TISL/GESDISC
resource-type	Dataset
source_datajson_identifier	true
source_hash	599ad780ec6b7a432ce86db73e2b6522c92f92fef6eb7a9f84adad905cd85cbc
source_schema_version	1.1
spatial	["CARTESIAN", [{"WestBoundingCoordinate": -180, "NorthBoundingCoordinate": 50, "EastBoundingCoordinate": 180, "SouthBoundingCoordinate": -50}]]
temporal	1997-12-31/2019-12-31
theme	{"Earth Science"}