'Holgate-9' -- Nine excellent tide gauge records of sea-level measurements

690-002 Auckland II, New Zealand 270-061 Trieste, Italy 170-161 Newlyn, UK 210-021 Cascais, Portugal 1612340 Honolulu, HI, USA 840-011 Balboa, Panama 9410170 San Diego, CA, USA 8724580 Key West, FL, USA 8518750 The Battery, NY, USA

9 tide stations.
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