Please note: In many cases, the station position in our database is accurate
to only one minute. Thus, the tide gauge may not appear to be on the coast.
Data downloaded directly from the NOAA website. Datum information also downloaded. NOAA Primary Benchmark is 34 1923 4.77m above TGZ.
Documentation added 2011-08-11
Using data from NOAA the RLR diagram was re-drawn. Primary benchmark appears to be 34 1923 4.770m above gauge datum. The historical benchmark BM 27 previously used by PSMSL no longer appears in the NOAA report.