data for 1990-94 revised with values in dataset received in April 1998
Documentation added 2003-02-18
Data for 1997 were replaced by the data from University of Hawaii. Data for 1998-2002 are obtained from University of Hawaii.
Documentation added 2008-01-22
Data for the period 2003-2006 was downloaded from UHSLC The values were corrected for the Hawaii adjusted offset.
Documentation added 2012-02-16
There is what appears to be substantial rise in the plot for Xi Sha for the period Jul-Dec 2010. Although the data has been 'buddy checked' with other neighbouring stations because of its relatively remote position it is difficult to establish when the phenomenon is real or not.
National Marine Data and Information Service (NMDIS) No. 93 Liuwei Road Tianjin 300171