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# Updated: 29 September 2012                                              #
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This document contains a list of changes/updates made to the three-hourly
interval Antarctic data for the data year 2009 and may refer to
files or directories that have since been moved, removed, or replaced. 
Questions can be sent to aws@ssec.wisc.edu.

08/05/17 -- Data for Nico (08924) delta-T have been removed.

10/01/10 -- Data for Byrd (08903) have been replaced for 2009 to correct a 
            problem with the wind direction.

07/15/10 -- All data for 2009 have been reloaded to correct problems with
            calibrations or equipment failures in certain stations such as
            Pegasus North, Willie Field, and Swithinbank, and add missing data 
            for Mulock, Dismal Island, and Kominko-Slade.

06/02/10 -- Data for D-10 have been replaced for November, 2009.

04/16/10 -- All available 3 hourly data for December, 2009 have been added.

03/30/10 -- Data for Pegasus North (08923/08937) have been added/replaced for
            February-September, 2009.

03/11/10 -- All data for Willie Field (30477) for 2009 have been removed due
            to problems with the pressure and the wind direction.

02/02/10 -- All available 3 hourly data for November, 2009 have been added.

01/15/10 -- All available 3 hourly data for January, 2009 have been added.

01/04/10 -- All available 3 hourly data for October, 2009 have been added.

12/07/09 -- All available 3 hourly data for September, 2009 have been added.

11/05/09 -- All available 3 hourly data for August, 2009 have been added.

10/09/09 -- All available 3 hourly data for February and July, 2009 have
            been added.

09/08/09 -- All available 3 hourly data for March, 2009 have been added.

08/07/09 -- Data for Pegasus North (08923) have been removed. The station 
            pressure for Willie Field (30477) has been removed.

07/03/09 -- All available 3 hourly data for May, 2009 have been added. In
            addition, Lettau (08928) and Elizabeth (21361) have been replaced
            for April, 2009 to add the delta-T. Cape Denison (08988) has been
            replaced for April, 2009 to correct the pressure.

06/11/09 -- All available 3 hourly data for April, 2009 have been added.