Bluegraph data files: terms of use These files hold observations collected by Bluegraph (bluegraph.io) from public sources. Each station's row in the stations table names its owner, where the data come from (source) and the terms they are shared under (terms). - U.S. federal data (NOAA's National Data Buoy Center and CO-OPS, the National Weather Service, and other federal agencies) are in the public domain. - Data from Environment and Climate Change Canada's stations are shared under the Open Government Licence – Canada: https://open.canada.ca/en/open-government-licence-canada Contains information licensed under the Open Government Licence – Canada. - Other owners' data (universities, regional ocean observing systems and others) are published by NOAA's National Data Buoy Center; see each owner's terms before redistributing them. Surface currents come from the U.S. national HF radar network (IOOS), as served by NOAA NDBC. Bluegraph's own work in these files (the selection, the tables and their arrangement) may be used freely. Please credit the data's owners and Bluegraph. The files are provided as they are, without warranty; readings are as the sources reported them, and a reading may be wrong.