Climate Data

• U.S. Climate Normals
• NOAA NCEI Temp, Precip, Drought
• NOAA NCEI Climate at a Glance
• NOAA Historical Hurricane Tracks, 1851 – present
• ACIS Climate Maps, 2003 – present
• NCAR Climate Data Guide
• The Climate Explorer, historical and projected
• GHCN data (and other time series) from Climate Reanalyzer
• Weather Underground Hourly weather data for KILG (New Castle County airport), 1945 – present

Climate Normals

• NCDC Climate Normals
• Delaware Climate Normals

Historical Weather Maps

• Daily weather maps from 2002 to present, NCEP Weather Prediction Center
• Daily weather maps, 1871 – present, NOAA Central Library

Teleconnection Data

• NCEI Teleconnections

Reanalysis Data

• NCEP/NCAR Reanalysis I
• NCEP North American Regional Reanalysis (NARR)
• 20th Century Reanalysis
• ECMWF: ERA5, ERA-Interim, and ERA-20C
• Japanese JRA 55-year Reanalysis

• ESRL PSD Climate Analysis and Plotting Tools, including:
  • Monthly/Seasonal composite maps of NCEP Reanalysis Model
  • Simple time series plots of teleconnections
  • Monthly/Seasonal Correlations: NCEP/NCAR Reanalysis and other datasets
  • US Climate Division correlations
  • …and many, many other tools…