Many stations on the Gulf coast have large values for September 1961.
Documentation added 2012-02-15
Port Aransas is an Historic station.Last data received was that for 1984. Primary benchmark on the original RLR diagram was BM 10 3.511m above TGZ this no longer appears in the NOAA documentation. Last Primary benchmark was NO 11 1960 4.42m above TGZ.