Please read about a potential issue if you acquired daily 2m air temperature files between 8/14/2014 and 11/7/2014.
We have transitioned the data files from netCDF3 to netCDF4-classic format (transition date: Aug 14th).

Plot Archive of 20th Century Reanalysis, 1871 - 2008

Choose reanalysis plot:

  1. Select year desired (YYYY):
  2. Select month/day/hour desired:
  3. Select variable desired:

Sample figure: Sea-Level Pressure / 500mb Height

PROVISIONAL DATA - Subject to Revision.

This is a Research and Development Application