DatasetsAreal CoverageGrid SizeTime StepTime CoverageLevels
CPC .25x.25 Daily US Unified Precipitation U.S..25°x.25°Daily1948-2006None
Livneh daily CONUS near-surface gridded meteorological and derived hydrometeorological data. CONUS0.06°x0.06° Daily, Monthly1915-2011None
NCEP/NCAR Reanalysis Global2.5°x2.5°, T42 Gaussian, T62 spectral 4X Daily, Daily, Monthly1948-present17 pressure levels, 28 spectral
NCEP/NCAR Reanalysis Products Derived at NOAA/PSL Global2.5°x2.5°, T62 Gaussian Daily, Monthly1948-present17 pressure levels, 28 spectral
NCEP/DOE Reanalysis II Global2.5°x2.5° 4X Daily, Daily, Monthly1979-Dec 201217 Pressure levels
NOAA's Outgoing Longwave Radiation–Daily Climate Data Record (OLR–Daily CDR): NOAA/PSL Interpolated Version Global1.0°x1.0° Daily1979-2012None
NOAA High-resolution Blended Analysis of Daily SST and Ice. Global.25°x.25° Daily1981-present None
NOAA Highly Reflective Clouds Tropics1.0°x1.0° Daily, Monthly1971-1988None
PSL South America Daily Gridded Precipitation South America2.5°x2.5°, 1.0°x1.0°Daily1940-near presentNone
North American Regional Reanalysis (NARR) Northern Hemisphere32km grids 8X Daily, Daily, Monthly1979-Dec 201228 Pressure
NOAA-CIRES 20th Century Reanalysis (V2) Global2.5°x2.5° 4X Daily1871-201224 pressure levels
NOAA-CIRES 20th Century Reanalysis (V2c) Global2.5°x2.5° 4X Daily1851-201424 pressure levels
NOAA-CIRES-DOE 20th Century Reanalysis V3new! Global1.0°x1.0° 8X Daily1836-201524 pressure levels
Uninterpolated OLR Global2.5°x2.5° Daily1991-presentNone
CPC Global Precipitation Global0.5°x0.5° Daily1979-presentNone
CPC Global Temperature Global0.5°x0.5° Daily1979-presentNone