DatasetsAreal CoverageGrid SizeTime StepTime CoverageLevels
CMAP Precipitation Global2.5°x2.5° Monthly,Pentad1979- None
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 V4 Global5.0°x5.0° Monthly1850-2013None
Dai Palmer Drought Severity Index Global: 58S-76N2.5°x2.5° Monthly1850-2014None
GFS Model Output Global2.5°x2.5° 2X Daily1979-presentvaried levels
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
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
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 PSD 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's Outgoing Longwave Radiation–Daily Climate Data Record (OLR–Daily CDR): PSD Interpolated Version new! Global1.0°x1.0° Daily1979-2012None
NOAA High-resolution Blended Analysis of Daily SST and Ice. Global.25°x.25° Daily1981-present None
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
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
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