Category URL
_null http://hydromet-thredds.princeton.edu:8000/erddap/categorize/standard_name/_null/index.xhtml?page=1&itemsPerPage=1000
latitude http://hydromet-thredds.princeton.edu:8000/erddap/categorize/standard_name/latitude/index.xhtml?page=1&itemsPerPage=1000
longitude http://hydromet-thredds.princeton.edu:8000/erddap/categorize/standard_name/longitude/index.xhtml?page=1&itemsPerPage=1000
relative_humidity http://hydromet-thredds.princeton.edu:8000/erddap/categorize/standard_name/relative_humidity/index.xhtml?page=1&itemsPerPage=1000
time http://hydromet-thredds.princeton.edu:8000/erddap/categorize/standard_name/time/index.xhtml?page=1&itemsPerPage=1000
visibility_in_air http://hydromet-thredds.princeton.edu:8000/erddap/categorize/standard_name/visibility_in_air/index.xhtml?page=1&itemsPerPage=1000
wind_from_direction http://hydromet-thredds.princeton.edu:8000/erddap/categorize/standard_name/wind_from_direction/index.xhtml?page=1&itemsPerPage=1000