Digital information describing observations taken at regular time intervals. The time interval may vary; the type of observed phenomena and the location typically do not.
The USGS collects continuous stage, discharge, and other instantaneous time-series data on the nations rivers. This Archive provides streamflow data and historical data, often several years worth.
Downloadable monthly average SST data along the north Pacific coast in 4km grid cells for 29 years as shapefile, CSV, GIS grids, and Microsoft Access databases.
This study extends the oxygen isotope record of this important paleoclimate record forward in time to cover more recent history, up to 4,500 years before present.
National Strong-Motion Program home page with links to program news, recent events, and datasets of digitized accelerograms downloadable as PC (*.zip) and Unix (*.tar.z) files, data processing, stations, research, publications, and personnel.