DatasetsAreal CoverageGrid SizeTime StepTime CoverageLevels
CRU Air Temperature and Combined Air Temperature/Marine Anomalies V4 Global5.0°x5.0° Monthly1850-2013None
GHCN Version 3 Land Temperature 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
ICOADS Global2.0°x2.0°,1.0°x1.0° Monthly1800-presentNone
Livneh daily CONUS near-surface gridded meteorological and derived hydrometeorological data. CONUS0.06°x0.06° Daily, Monthly1915-2011None
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 V4 Global1.0°x1.0° Monthly1854-presentNone
NOAA Global Surface Temperature (NOAAGlobalTemp) Global5.0°x5.0° Daily1880-presentNone
NOAA Optimum Interpolation (OI) SST V2 Global1.0°x1.0° Monthly,Weekly1981-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
U. of Delaware Precipitation and Air Temperature Global Land0.5°x0.5° Monthly1900-2014None
CPC Global Temperature Global0.5°x0.5° Daily1979-presentNone