What's New
OAR Outstanding Scientific Paper Awards 2008 >> read more
24th Science On a Sphere® Installation >> read more
New Environmentally-Based Educational Activities Available On Line >> read more
NOAA Technology Transfer Award for ESRL's Global Systems Division >> read more
ESRL's Supercomputing Facility Featured in Contractor Journal >> read more
NOAA Research Receives Virtual Learning Prize >> read more
 

Retrospective

Hourly Precipitation Dataset (HPD)
 

Hourly Precipitation Data (HPD) from United States observing sites during the period 1948 to June 1998

Available on CD-ROM

Radiosonde Data
 

North American Radiosonde Data since 1946