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Precipitation Data Access and Tools

NASA has a wide range of precipitation data, from hourly rainfall estimates to reanalysis datasets looking back decades. Our datasets and tools help users spot characteristics, trends, patterns, and anomalies in the precipitation that falls to Earth and understand how it affects natural areas and human communities.

Precipitation Datasets

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Dataset Version Platform Instrument Temporal Extent Spatial Extent Spatial Resolution Data Format
TRMM Combined Precipitation Radar and Microwave Imager Rainfall Profile L2 1.5 hours V7 (TRMM_2B31) 7 TRMM PR, TMI 1997-12-07 to 2015-04-01

N: 38 S: -38 E: 180 W: -180

5 Kilometers x 5 Kilometers
TRMM Ground Validation Calibrated QC Radar Reflectivity Full Volume Scan L1C 1 hour V7 (TRMM_1C51) 7 WEATHER STATIONS NEXRAD 1997-12-01 to 2014-12-31

N: 40 S: -40 E: 180 W: -180

2.2 Kilometers x 2.2 Kilometers
TRMM Ground Validation Calibrated QC Radar Reflectivity Full Volume Scan L1C 1 hour V7 (TRMM_1C51UW) 7 WEATHER STATIONS NEXRAD 1999-01-09 to 2003-12-31

N: 40 S: -40 E: 180 W: -180

2.2 Kilometers x 2.2 Kilometers
TRMM Ground Validation Radar Reflectivity L1B 1 hour V7 (TRMM_1B51) 7 WEATHER STATIONS NEXRAD 1997-12-01 to 2014-12-31

N: 40 S: -40 E: 180 W: -180

2.2 Kilometers x 2.2 Kilometers
TRMM Ground Validation Radar Reflectivity Single Level Cartesian Grid 1 hour V7 (TRMM_baseUW) 7 WEATHER STATIONS NEXRAD 1999-01-09 to 2003-12-31

N: 40 S: -40 E: 180 W: -180

2 Kilometers x 2 Kilometers
TRMM Ground Validation Radar Site 3D Rain Map L3 1 month 2 km V7 (TRMM_3A55) 7 WEATHER STATIONS NEXRAD 1997-12-01 to 2015-01-01

N: 40 S: -40 E: 180 W: -180

2 Kilometers x 2 Kilometers
TRMM Ground Validation Radar Site 3D Reflectivity L2 1 hour V7 (TRMM_2A55) 7 WEATHER STATIONS NEXRAD 1997-11-27 to 2014-12-31

N: 40 S: -40 E: 180 W: -180

2 Kilometers x 2 Kilometers
TRMM Ground Validation Radar Site 3D Reflectivity L2 1 hour V7 (TRMM_2A55UW) 7 WEATHER STATIONS NEXRAD 1999-01-09 to 2003-12-31

N: 40 S: -40 E: 180 W: -180

2 Kilometers x 2 Kilometers
TRMM Ground Validation Radar Site Rain Rate Map L2 1 hour 2 km V7 (TRMM_2A53) 7 WEATHER STATIONS NEXRAD 1997-11-27 to 2014-12-31

N: 40 S: -40 E: 180 W: -180

2 Kilometers x 2 Kilometers
TRMM Ground Validation Radar Site Rain Rate Map L2 1 hour 2 km V7 (TRMM_2A53UW) 7 WEATHER STATIONS NEXRAD 1999-01-09 to 2003-12-31

N: 40 S: -40 E: 180 W: -180

2 Kilometers x 2 Kilometers
TRMM Ground Validation Radar Site Rain Totals Map L3 5 days 2 km V7 (TRMM_3A53) 7 WEATHER STATIONS NEXRAD 1997-11-27 to 2015-01-01

N: 40 S: -40 E: 180 W: -180

2 Kilometers x 2 Kilometers
TRMM Ground Validation Radar Site Rain Type Map L2 1 hour 2 km V7 (TRMM_2A54) 7 WEATHER STATIONS NEXRAD 1997-11-27 to 2014-12-31

N: 40 S: -40 E: 180 W: -180

2 Kilometers x 2 Kilometers
TRMM Ground Validation Radar Site Rain Type Map L2 1 hour 2 km V7 (TRMM_2A54UW) 7 WEATHER STATIONS NEXRAD 1999-01-09 to 2003-12-31

N: 40 S: -40 E: 180 W: -180

2 Kilometers x 2 Kilometers
TRMM Ground Validation Radar Site Rain Type Totals Map L3 1 month 2 km V7 (TRMM_3A54) 7 WEATHER STATIONS NEXRAD 1997-11-01 to 2015-01-01

N: 40 S: -40 E: 180 W: -180

2 Kilometers x 2 Kilometers
TRMM Ground Validation Radar Site Rain Type Totals Map L3 1 month 2 km V7 (TRMM_3A54UW) 7 WEATHER STATIONS NEXRAD 1999-07-01 to 2000-12-31

N: 40 S: -40 E: 180 W: -180

2 Kilometers x 2 Kilometers
TRMM Ground Validation Rain Existence L2 1 month V7 (TRMM_2A52) 7 WEATHER STATIONS NEXRAD 1995-08-02 to 2014-12-31

N: 40 S: -40 E: 180 W: -180

2 Kilometers x 2 Kilometers
TRMM Ground Validation Rain Gauge Rain Rate L2 1 month V7 (TRMM_2A56) 7 WEATHER STATIONS RAIN GAUGES 1995-01-03 to 2016-07-31

N: 40 S: -40 E: 180 W: -180

2 Kilometers x 2 Kilometers
TRMM Microwave Imager Hydrometeor Profile L2 1.5 hours V7 (TRMM_2A12) 7 TRMM TMI 1997-12-31 to 2015-04-08

N: 38 S: -38 E: 180 W: -180

5.1 Kilometers x 5.1 Kilometers
TRMM Microwave Imager Oceanic Rainfall L3 1 month 5 degree x 5 degree V7 (TRMM_3A11) 7 TRMM TMI 1997-12-01 to 2015-03-31

N: 40 S: -40 E: 180 W: -180

5 Decimal Degrees x 5 Decimal Degrees
TRMM Microwave Imager Precipitation Profile L3 1 month 0.5 degree x 0.5 degree V7 (TRMM_3A12) 7 TRMM TMI 1997-12-01 to 2015-03-31

N: 40 S: -40 E: 180 W: -180

0.5 Decimal Degrees x 0.5 Decimal Degrees
TRMM MICROWAVE IMAGER (TMI) WENTZ OCEAN PRODUCTS V3 3 TRMM TMI 2006-09-17 to 2015-04-03

N: 38 S: -38 E: 180 W: -180

HDF-EOS4
TRMM Precipitation Radar Rain Characteristics L2 1.5 hours V7 (TRMM_2A23) 7 TRMM PR 1997-12-31 to 2015-04-01

N: 38 S: -38 E: 180 W: -180

4 Kilometers x 4 Kilometers
TRMM Precipitation Radar Rainfall Rate and Profile L2 1.5 hours V7 (TRMM_2A25) 7 TRMM PR 1997-12-31 to 2015-04-01

N: 38 S: -38 E: 180 W: -180

4 Kilometers x 4 Kilometers
TRMM Precipitation Radar Surface Cross-Section L2 1.5 hours V7 (TRMM_2A21) 7 TRMM PR 1997-12-31 to 2014-10-07

N: 38 S: -38 E: 180 W: -180

5 Kilometers x 5 Kilometers
TRMM Radar Rain Distributions L3 1 month 5 degree x 5 degree V7 (TRMM_3A26) 7 TRMM PR 1997-12-01 to 2015-04-01

N: 40 S: -40 E: 180 W: -180

5 Decimal Degrees x 5 Decimal Degrees
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Featured Precipitation Observation Method: GPM

NASA's Global Precipitation Measurement (GPM) platform provides next-generation global observations of rain and snow to help researchers better understand Earth's water and energy cycles and forecast extreme weather and related events.

Learn More About GPM
Earthdata grphic identifier on ice sheet map

TRMM and GPM Precipitation Products and Services at NASA's GES DISC

During this webinar we will provide an overview of TRMM and GPM precipitation data products and discuss the various ways to discover and access these data. We will also demonstrate the visualization and analysis tools and services provided by NASA's Goddard Earth Science Data and Information Services Center (GES DISC).

Precipitation Data Tools

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