The Tropical Rainfall Measuring Mission (TRMM)

The TRMM instruments were turned off in April 2015 after over 17 years of the mission. The multi-satellite product (3B42/TMPA) will continue production through mid-2017.

The Tropical Rainfall Measuring Mission (TRMM), a collaborative mission between NASA and the Japan Aerospace Exploration Agency to study rainfall for weather and climate research purposes.

  • Temporal coverage = 1998-April 2015, the multisatellite product (3B42/TMPA) 1998-present
  • Temporal resolution = 3 hourly, daily and monthly means available
  • Spatial coverage = ~ 50S – 50N
  • Spatial resolution = 0.25 x 0.25 degree
  • Vertical resolution = surface level

References and Documentation

TRMM Data at the IACDC

Information on what TRMM data is ready for download at the IACDC can be found at the bottom of this page.

Should you require data not currently available, please get in contact. We will be happy to download it and have it stored temporarily with us.

Alternatively, data access available through:


Or alternatively on the following  links:

3 hourly data: TMPA 3B42

Monthly data: TMPA 3B43

Listing of TRMM Data Available at IACDC

Product Spatial Resolution Temporal Resolution Spatial Coverage Time Span
3B42 RT 0.25˚ Daily 50˚N-50˚S 01/05/2000-06/08/2016


TRMM data used must be properly cited in accordance with GES DISC data policy which can be found by following: