=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 29-Jul-1993 Many stations on the Gulf coast have large values for September 1961. =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 23-Jun-2011 October-December 2009 values replaced to bring PSMSL record in line with NOAA website, which was updated to account for ongoing issues related to Hurricane Ike in September 2008 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 19-Feb-2013 Sabine Pass North has been made a RLR station. Primary Benchmark is 0570 A 1985 3.264m above TGZ. RLR factor is 5.736m