December 4, 2007
----------------

Posted the first version (V001) of the Level 2 (L2) files for the Willow
Creek, Wisconsin site (US-WCr).  V001 files span the period 1998 to 2006
although the 1998 file contains only met data and no flux estimates.


February 27, 2008
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Posted the first version of the Level 3 and 4 (L3 and L4) files for US-WCr.
The files cover 1999-2008.


September 4, 2008
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Posted new L2 files (V002) for US-WCr.  The new files provide corrected
precipitation data for 2005, provide corrected Fg data using a sign
convention consistent with other AmeriFlux sites, and contain corrected
diffuse PAR data.  The V002 L2 files also cover the period 1998 to 2006.


October 22, 2008
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Posted new L2 files (V003) for US-WCr.  The new files cover the same
period (i.e., 1998-2006) of record but differ from V002 in that the data
were screened for wind direction.


December 16, 2008
-----------------

Posted V003 L3 and L4 files for US-WCr based on the V003 wind screened
L2 files.


May 18, 2011
------------

Posted new L2 files (V004) for US-WCr.  The V004 files are consistent
with other AmeriFlux L2 files in terms of variable naming
conventions and units, and provide data from 1998 through 2006.
Details on the processing of the orginal files provided by Ankur Desai
by CDIAC to produce the V004 L2 files for US-WCr are provided at

ftp://cdiac.ornl.gov/pub/ameriflux/data/Level2/Sites_ByName/Willow_Creek/with_gaps/report_Willow_Creek.html