Climate Datasets
Reanalysis and observational climate data products for atmospheric, land-surface, and precipitation analysis.
ERA5
Fifth generation ECMWF atmospheric reanalysis of the global climate. Provides hourly estimates of atmospheric, land, and oceanic variables from 1940 to the present.
Coverage
Global, 0.25° grid, hourly, 1940–present
Resolution
~31 km (0.25°), 137 pressure levels
Format
NetCDF, GRIB
Schema
2m temperature, total precipitation, wind components, surface pressure, sea surface temperature, soil moisture, boundary layer height, 200+ variables
Methodology
4D-Var data assimilation with the IFS Cycle 41r2. Ensemble-based uncertainty estimates.
Citation
Hersbach et al. (2020). The ERA5 global reanalysis. Q.J.R.Meteorol.Soc., 146: 1999–2049.
CHIRPS
Climate Hazards Group InfraRed Precipitation with Station data. Quasi-global rainfall estimates combining satellite imagery with in-situ station data.
Coverage
50°S–50°N, 0.05° grid, daily/pentad/monthly, 1981–present
Resolution
~5 km (0.05°)
Format
GeoTIFF, NetCDF, BIL
Schema
Daily precipitation (mm/day), pentad and monthly accumulations
Methodology
Blending of TRMM/CMORPH satellite estimates with weather station ground truth via modified inverse distance weighting.
Citation
Funk, C., et al. (2015). The climate hazards infrared precipitation with stations. Scientific Data, 2, 150066.