September 4, 2008 --------------------- Version 1 of the Level 2, 3, and 4 files for the Rayonier, Florida site (US-SP4) were posted. May 25, 2010 ------------ Version 2 of the L2 files for US-SP4 were posted. The new V2 L2 files provide data in the AmeriFlux network-wide conventions with derived values (e.g., VPD) calculated where possible. Details on the processing of original files by CDIAC to produce the V2 Level 2 files may be found at ftp://cdiac.ornl.gov/pub/ameriflux/data/Level2/Sites_ByID/US-SP4/with_gaps/report_Rayonier.html