Current PSD (Web/Data Status). PSD has undergone major URL restructuring so that all URLs start with http://www.esrl.noaa.gov/psd/ (More Info).
 

PSD Climate and Weather Data

 

PSD archives a wide range of data ranging from gridded climate datasets extending hundreds of years to real-time wind profiler data at a single location. The data or products derived from this data, organized by type, are available to scientists and the general public at the links below.

Type: Climate

Gridded climate datasets
Gridded climate datasets ranging in resolution from 32km and upwards and in time from the 1700s to the present are available for download.
Atmospheric/Ocean Timeseries
Key atmosphere and oceran timeseries like Nina3.4 and the AMO are avaialable for use and download.