The raw radiosonde data and related metadata are provided by the U.S. 
Department of Energy,Office of Science, Office of Biological and 
Environmental Research, as part of the Atmospheric Radiation Measurement (ARM) 
Climate Research Facility (www.arm.gov).  This data has been provided to the 
GRAUN Lead Center as part of a Memorandum of Agreement Establishing a Joint 
Project Between the National Climatic Data Center, the National Environmental 
Satellite, Data, And Information Service, the National Oceanic And Atmospheric 
Administration, and the U.S. Department of Commerce;  andUChicago Argonne LLC, 
Operator of Argonne National Laboratory, actingunder Prime Contract No. 
DE-AC02-06CH11357 with the U.S. Government, Represented by the U.S. Department 
of Energy to Support a Joint Project at the Atmospheric Radiation Measurement 
Climate Research Facility (November 2010).