TRMM Radar Rain Distributions L3 1 month 5 degree x 5 degree V7 (TRMM_3A26) at GES DISC
The new version of these data is in GPM-like format (consistent with the GPM Dual-frequency Radar data format), and can be found under the name GPM_3PR.

This dataset contains distributions of monthly surface rainfall. These data were derived from rain rate statistics and include the estimated values of the …