=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 23-Feb-1999 Gauge type: 1977 - March 1992 = Russian type, CYM and from April 1992 onwards = American type, Stevens A71 Danang is now an historic station last data 2001 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 17-Nov-2015 Monthly mean sea leve data values for Da Nang 2001-2013 have been supplied by the Institute of Meteorology, Hydrology and Climate Change (IMHEN) Viet nam.