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Documentation about the NCEP/NCAR Reanalysis data at PSD.
To reference the NCEP/NCAR data, please use the following text:
Kalnay, E. and Coauthors, 1996: The NCEP/NCAR Reanalysis 40-year Project. Bull. Amer. Meteor. Soc., 77, 437-471.
 

Create a monthly/seasonal mean time series from the NCEP Reanalysis Dataset

NCDC has transitioned the climate division dataset to a new version. See their transition document. Values before 1935 are impacted more than later values.

Create a timeseries of monthly/seasonal mean values (Directions). Output is organized by year for the rows and by month (January to December) across columns for monthy values. Simply save the browser page containing the timeseries output in order to use it in the correlations with NCEP Reanalysis monthly means web page. The program will calculate closest latitudes and longitudes to those input. To use one gridpoint, type in same begin/end latitude and longitude values.To calculate a zonal mean use 0 to 360.


Variable? Analysis level? (choose surface for non-level variables)
Latitude? (N to S, e.g, 4 to -4) Longitude? (W to E, e.g. 180 to 200 or -10 to 20. Use degrees east.)
 to   to 
Monthly   Seasonal average --
First month of season: second month:
Area weight grids?   No    Yes

Output format:  Raw data values   Plot data