GPM ATMS on NOAA-21 (GPROF) Climate-based Radiometer Precipitation Profiling L2A 1.5 hours 17 km V07 (GPM_2AGPROFNOAA21ATMS_CLIM) at GES DISC
Version 07 is the current version of the data set. 

The "CLIM"  products differ from their "regular" counterparts (without the "CLIM" in the name) by the ancillary data they use. They are Climate-Reference products, which requires homogeneous ancillary data over the climate time series.  Hence, the ECMWF-Interim …