MERRA: comparisons with observations: NVAP, GPCP
JRA-25 Atlas: climatologies (annual, seasonal) of most variables. Long timeseries of some
IRI Maproom: recent climate on weekly, monthly and seasonal timescale including animations (uses NCEP-NCAR Reanalysis).
ESRL/PSD maproom: recent climate on weekly, monthly, and seasonal timescale including animations (uses NCEP-NCAR Reanalysis).