The authors, members of the WMO CCl El Azizia temperature extreme evaluation committee, sincerely thank the many people involved in this research for their valuable contributions, including David Phillips, Rainher Bohm, Maurizio Maugeri, Michelle Brunetti, Paolo Brenni, Maximiliano Herrera, Piotr Djaków, Howard Rainford, Julie Crain, Jim Pettit, Federico Noris, and the three reviewers. Support for the Twentieth Century Reanalysis Project dataset is provided by the U.S. Department of Energy, Office of Science Innovative and Novel Computational Impact on Theory and Experiment program, and Office of Biological and Environmental Research, and by the National Oceanic and Atmospheric Administration Climate Program Office. David Parker is supported by the Joint DECC/Defra Met Office Hadley Centre Climate Programme (Grant GA01101). Manola Brunet is supported by the EU project EURO4M (FP7- SPACE-2009-1 Proposal 242093). This investigation was initiated based on information presented by Christopher C. Burt of Weather Underground, Inc. (www.wunderground.com, 8 Oct 2010, in a blog entry titled “Questions concerning the world's hottest temperature on record”).
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