DatasetsAreal CoverageGrid SizeTime StepTime CoverageLevels
CMAP Precipitation Global2.5°x2.5° Monthly,Pentad1979- None
COBE-SST Global1.0°x1.0° Monthly1891-presentNone
COBE-SST2 Sea Surface Temperature Global1.0°x1.0° Monthly1850-2012None
CPC .25x.25 Daily US Unified Precipitation U.S..25°x.25°Daily1948-2006None
CPC Hourly Precipitation U.S.2.0°x2.5°Hourly1948-2002None
CPC Soil Moisture Global2.5°x2.5° Monthly1948-presentNone
CRU Air Temperature and Combined Air Temperature/Marine Anomalies V3 Global5.0°x5.0° Monthly1850-presentNone
CRU Air Temperature and Combined Air Temperature/Marine Anomalies V4 Global5.0°x5.0° Monthly1850-2013None
ECMWF Reanalysis-40 Global2.5°x2.5° 4X Daily, Daily, Monthly1957-200217 Pressure
ERA5 gridded High Resolution reanalysis Global.25°x.25° Daily 1979-presentNone
ERA-Interim Reanalysis Global0.7°x0.7° 4-times daily1979-near presentNone
Dai Palmer Drought Severity Index Global: 58S-76N2.5°x2.5° Monthly1850-2014None
GHCN Version 3 Land Temperature Dataset Global5.0°x5.0° Monthly1900-presentNone
GHCN version 2 Land Precipitation Dataset Global5.0°x5.0° Monthly1900-presentNone
NOAA GHCN_CAMS Land Temperature Analysis Global0.5°x0.5° Monthly1948-presentNone
GISS surface temperature analysis Global1.0°x1.0° Monthly1880-presentNone
NCEP GODAS ocean analysis Global.3°x.3° Monthly1980-present 40
Global Precipitation Climatology Centre (GPCC) Global0.5°x0.5°,1.0°x1.0°, 2.5°x2.5° Monthly1901-presentNone
GPCP V2.3 Precipitation Global2.5°x2.5° Monthly1979-2013None
Hadley Sea Ice SST Global1.0°x1.0° MonthlyJan 1870-presentNone
ICOADS Global2.0°x2.0°,1.0°x1.0° Monthly1800-presentNone
Interpolated OLR Global2.5°x2.5° Daily,Monthly1979-near presentNone
Kaplan SST Global5.0°x5.0° Monthly1856-presentNone
Livneh daily CONUS near-surface gridded meteorological and derived hydrometeorological data. CONUS0.06°x0.06° Daily, Monthly1915-2011None
MSU Global2.5°x2.5° Daily, Monthly1979-1996None
NCEP Operational Analysis Global2.5°x2.5° Daily 1979-presentNone
NCEP Marine Global2.0°x2.0° Monthly1991-presentNone
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 Extended Reconstructed SST V3b Global1.0°x1.0° Monthly1854-presentNone
NOAA Extended Reconstructed SST V4 Global1.0°x1.0° Monthly1854-presentNone
NOAA Extended Reconstructed SST V5 Global1.0°x1.0° Monthly1854-presentNone
NOAA's Outgoing Longwave Radiation–Daily Climate Data Record (OLR–Daily CDR) Global1.0°x1.0° Daily1979-near presentNone
NOAA High-resolution Blended Analysis of Daily SST and Ice. Global.25°x.25° Daily1981-present None
NOAA Global Surface Temperature (NOAAGlobalTemp) Global5.0°x5.0° Daily1880-presentNone
NOAA Optimum Interpolation (OI) SST V2 Global1.0°x1.0° Monthly,Weekly1981-presentNone
NOAA Highly Reflective Clouds Tropics1.0°x1.0° Daily, Monthly1971-1988None
NODC (Levitus) World Ocean Atlas 1994 Global1.0°x1.0° Monthly,AnnualClimoNone
NODC (Levitus) World Ocean Atlas 1998 Global1.0°x1.0° Monthly,AnnualClimoNone
NOAA's Precipitation Reconstruction (PREC) Global2.5°x2.5° Monthly1979-presentNone
NOAA's Precipitation Reconstruction over Land (PREC/L) Global2.5°x2.5° Monthly1948-presentNone
Monthly Prism US Gridded Surface Data (PSL local access only) USA0.04°x0.04° Monthly1895-presentNone
Daily Prism US Daily Gridded Surface Data (NOAA/PSL local access only) USA0.04°x0.04° Daily1895-2013None
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
Northern Hemisphere EASE-Grid Snow Cover and Sea Ice Extent Northern Hemisphere1.0°x1.0° Monthly1971-1995None
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
U. of Delaware Precipitation and Air Temperature Global Land0.5°x0.5° Monthly1900-2014None
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