The IRI's Data Library now supports download of daily weather data in the ICASA format, from two of its daily station data sets.

GDCN Data Set

The NOAA NCDC Global Daily Climatology Network (GDCN) includes daily precipitation and minimum and maximum temperature data from 32,857 stations globally. Duration and spatial coverage vary considerably by country.

Download GDCN data set:
iridl.ldeo.columbia.edu/SOURCES/.NOAA/.NCDC/.DAILY/.GLOBALSOD

Detailed documentation is available from the NCDC web site:
www.ncdc.noaa.gov/oa/climate/research/gdcn/gdcn.html


ANEEL Data Set

The ANEEL (Agência Nacional De National Climate Center Energia Elétrica, Brazil, www.aneel.gov.br) data set contains daily precipitation data from 13,179 stations in South America, with the greatest concentration in Brazil.

Download ANEEL data set:
iridl.ldeo.columbia.edu/SOURCES/.ANEEL/.prcp_sta



For either data set:

  1. select stations from the interactive map interface, or from the "Searches" link.
  2. Once you select a station. Go to data downloads and files.
  3. Select "Download data to: ICASA."
    • If you select "Check available data," the interface will correct the range of available dates.
    • You will need to enter a 4-character station ID, following the current ICASA convention.
  4. Then select "Get ICASA file" to open the data in a browser window.

For a tutorial on the use of the data library, see:
iridl.ldeo.columbia.edu/dochelp/Tutorial