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Dataset Title:	Hourly NOS Port Orford Water Level Climatology Data
Institution:	Oregon State University, College of Earth, Ocean, and Atmospheric Sciences (Dataset ID: NOS_9431647_WL_Climatology)
Range:	longitude = 235.5017 to 235.5017°E, latitude = 42.739 to 42.739°N, depth = 0.0 to 0.0m, time = 2000-01-01T00:00:00Z to 2000-12-31T23:00:00Z
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Subset \| Data Access Form

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Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

Web page authors can embed a graph of the latest data in a web page using HTML <img> tags.
Anyone can use ERDDAPs Slide Sorter to build a personal web page that displays graphs with the latest data (or other images or HTML content), each in its own, draggable slide.

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 _FillValue -9999.0;
    Float32 actual_range 42.739, 42.739;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float32 valid_max 90.0;
    Float32 valid_min -90.0;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 _FillValue -9999.0;
    Float32 actual_range 235.5017, 235.5017;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float32 valid_max 360.0;
    Float32 valid_min 0.0;
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 9.466848e+8, 9.783036e+8;
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 _FillValue -9999.0;
    Float32 actual_range 0.0, 0.0;
    String axis "Z";
    Float64 colorBarMaximum 15000.0;
    Float64 colorBarMinimum -5000.0;
    String ioos_category "Location";
    String long_name "Depth of water level measurements";
    String positive "down";
    String source_name "depth_wl";
    String standard_name "depth";
    String units "m";
    Float32 valid_max 10000.0;
    Float32 valid_min -1000.0;
  }
  timeSeries {
    Int32 actual_range 1, 1;
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "Port_Orford";
  }
  crs {
    Float64 actual_range 9.969209968386869e+36, 9.969209968386869e+36;
    String epsg_code "EPSG:4326";
    String grid_mapping_name "latitude_longitude";
    Float64 inverse_flattening 298.257223563;
    String ioos_category "Unknown";
    String long_name "CRS";
    Float64 longitude_of_prime_meridian 0.0;
    Float64 semi_major_axis 6378137.0;
  }
  platform {
    Int32 actual_range -2147483647, -2147483647;
    String ioos_category "Unknown";
    String long_name "Port_Orford";
    String ncei_code "FIXED PLATFORM, MOORINGS";
    String wmo_code "Port_Orford";
  }
  water_levels {
    Float32 _FillValue -9999.0;
    Float32 actual_range 0.3026398, 0.5113963;
    String cell_methods "time: mean (interval: 1 hour comment: time indicates center hour)";
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum -150.0;
    String grid_mapping "crs";
    String ioos_category "Sea Level";
    String long_name "water level measurements";
    String platform "platform";
    String standard_name "tidal_sea_surface_height_above_lowest_astronomical_tide";
    String units "meters";
    Float32 valid_max 100.0;
    Float32 valid_min -100.0;
  }
  water_levels_ext {
    Float32 _FillValue -9999.0;
    Float32 actual_range 0.4455273, 0.8674008;
    String cell_methods "time: mean (interval: 1 hour comment: time indicates center hour)";
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum -150.0;
    String grid_mapping "crs";
    String ioos_category "Sea Level";
    String long_name "water level measurements Extreme";
    String platform "platform";
    String standard_name "tidal_sea_surface_height_above_lowest_astronomical_tide";
    String units "meters";
    Float32 valid_max 100.0;
    Float32 valid_min -100.0;
  }
  water_levels_ys1 {
    Float32 _FillValue -9999.0;
    Float32 actual_range 0.3781781, 0.6756555;
    String cell_methods "time: mean (interval: 1 hour comment: time indicates center hour)";
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum -150.0;
    String grid_mapping "crs";
    String ioos_category "Sea Level";
    String long_name "water level measurements YS1";
    String platform "platform";
    String standard_name "tidal_sea_surface_height_above_lowest_astronomical_tide";
    String units "meters";
    Float32 valid_max 100.0;
    Float32 valid_min -100.0;
  }
  water_levels_ys2 {
    Float32 _FillValue -9999.0;
    Float32 actual_range 0.2051301, 0.3471371;
    String cell_methods "time: mean (interval: 1 hour comment: time indicates center hour)";
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum -150.0;
    String grid_mapping "crs";
    String ioos_category "Sea Level";
    String long_name "water level measurements YS2";
    String platform "platform";
    String standard_name "tidal_sea_surface_height_above_lowest_astronomical_tide";
    String units "meters";
    Float32 valid_max 100.0;
    Float32 valid_min -100.0;
  }
 }
  NC_GLOBAL {
    String acknowledgement "These data were collected and made freely available by NOAA NOS";
    String area "North Pacific Ocean";
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "time, water_levels, latitude, longitude, timeSeries, crs, platform";
    String citation "These data were collected and made freely available by NOAA NOS";
    String comments "no comment";
    String Conventions "CF-1.6, COARDS, ACDD-1.3, NCCSV-1.1";
    String creator_email "crisien@coas.oregonstate.edu";
    String creator_name "Oregon State University, College of Earth, Ocean, and Atmospheric Sciences";
    String creator_url "https://www.ndbc.noaa.gov/";
    String data_type "NOS time-series data";
    String date_created "2022-01-01T05:08:22Z";
    String date_modified "2022-01-01T05:08:22Z";
    Float64 Easternmost_Easting 235.5017;
    String featureType "TimeSeries";
    String geospatial_bounds "POINT (235.5017 42.739)";
    String geospatial_bounds_crs "EPSG:4326";
    String geospatial_bounds_vertical_crs "EPSG:5829";
    Float64 geospatial_lat_max 42.739;
    Float64 geospatial_lat_min 42.739;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 235.5017;
    Float64 geospatial_lon_min 235.5017;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 0.0;
    Float64 geospatial_vertical_min 0.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_resolution "point";
    String geospatial_vertical_units "m";
    String grid_mapping_epsg_code "EPSG:4326";
    Float64 grid_mapping_inverse_flattening 298.257223563;
    Float64 grid_mapping_longitude_of_prime_meridian 0.0;
    String grid_mapping_name "latitude_longitude";
    Float64 grid_mapping_semi_major_axis 6378137.0;
    String history 
"Quality controlled at NOAA NOS
2022-09-27T01:46:47Z (local files)
2022-09-27T01:46:47Z https://data.nanoos.org/tabledap/NOS_9431647_WL_Climatology.das";
    String infoUrl "https://www.ncei.noaa.gov/netcdf-templatesv2.0/";
    String institution "Oregon State University, College of Earth, Ocean, and Atmospheric Sciences";
    String keyword_vocabulary "GCMD";
    String keywords "water level";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "Follows NOS standards. Data available free of charge. User assumes all risk for use of data. User must display citation in any publication or product using data.";
    String naming_authority "NOAA NOS";
    Float64 Northernmost_Northing 42.739;
    String publisher_email "crisien@coas.oregonstate.edu";
    String publisher_name "Craig Risien";
    String references "https://www.ncei.noaa.gov/netcdf-templatesv2.0/";
    String source "in-situ observation";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 42.739;
    String standard_name_vocabulary "CF Standard Name Table v32";
    String subsetVariables "latitude, longitude, crs, platform";
    String summary "Quality controlled NOS Station data that have been repackaged and distributed by Northwest Association of Networked Ocean Observing Systems (NANOOS)";
    String time_coverage_end "2000-12-31T23:00:00Z";
    String time_coverage_resolution "hourly averages";
    String time_coverage_start "2000-01-01T00:00:00Z";
    String title "Hourly NOS Port Orford Water Level Climatology Data";
    Float64 Westernmost_Easting 235.5017;
    String wmo_platform_code "unknown";
  }
}

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link)

Data Access Protocol (DAP) (external link)

and its selection constraints (external link)

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

(easy) You can get data by using the dataset's Data Access Form or Subset form. They make the URL for you.
(easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
(not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.

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