Data downloaded from NOAA website. Datum information also downloaded. NOAA Primary Banchmark is BM EDM 15 MSL 1942 3.206m above TGZ.
Documentation added 2011-08-11
Using data extracted from the NOAA website the RLR diagram has been re-drawn. Primary benchmark appears to be EDM 15 MSL 1942 3.206m above the gauge datum. Our previously named benchmark BM 15 2.353 is no longer listed by NOAA.
Documentation added 2015-02-23
NOAA website confirms this station was removed in April 2008