NCEP/NCAR Reanalysis Data




A large database of assorted variables that are recorded on a regular basis (6 hour, daily) by NCEP and NCAR.

Spatial Coverage:

  • 2.5-degree latitude x 2.5-degree longitude global grid with 144x73 points.
  • 90N-90S, 0E-357.5E

Temporal Coverage:

  • 1958-2001

Scientific Reference:

  • Kistler, R., E. Kalnay, W. Collins, S. Saha, G. White, J. Woollen, M. Chelliah, W. Ebisuzaki, M. Kanamitsu, V. Kousky, H. van den Dool, R. Jenne, M. Fiorino, 2001:Bulletin of the American Meteorological Society, Feb2001, Vol. 82 Issue 2, p247


  • Air Temperature at 2m,
  • Maximum Air Temperature at 2m,
  • Minimum Air Temperature at 2m,
  • Air Temperature,
  • Precipitation Rate,
  • Precipitable Water are a few of the parameters available.
  • Data is in netCDF files, each year, separate file



Information on the NCEP/NCAR project can be obtained at the official website.

NCEP Reanalysis data provided by the NOAA-CIRES Climate Diagnostics Center, Boulder, Colorado, USA, from their Web site at