Hillarys data frame has 26304 rows and 2 variables. It
gives hourly sea-levels in metres (above Tide Gauge Zero) recorded
by the tide gauge within the (UTC) years of 2012-2014. The sea-levels
are in the second column. The first column is a POSIXct object
giving the dates and times in UTC.
Hillarys is one of the sites currently used for the Australian Baseline Sea-Level Monitoring Project (ABSLMP). Hourly data for these sites is available from the Australian Bureau of Meteorology.
To obtain the sea-level in AHD (Australian Height Datum), you will need to subtract 0.763 metres from the values given in the dataset.
Hillarys is located in the south-west of Australia, where tides are typically diurnal (i.e. one high tide per day). The amplitudes of K1 and O1 will likely be larger than the amplitudes of M2 and S2.
This dataset is is used for the examples in the help files.
This data frame contains the following columns:
A POSIXct object where times are in UTC.
The sea-level in metres above Tide Gauge Zero. Any missing or erroneous data points are set to NA.
Australian Bureau of Meteorology.
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