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Seawater temperatures and indicators by year from 2003 to 2016.
| Year | Min. Seawater Temperature (°C) |
Mean Seawater Temperature (°C) |
Max. Seawater Temperature (°C) |
|---|---|---|---|
| 2003 | 9.9 | 15.1 | 20.1 |
| 2004 | 10.3 | 15.5 | 20.6 |
| 2005 | 9.7 | 15.3 | 21.0 |
| 2006 | 9.6 | 15.1 | 20.2 |
| 2007 | 10.8 | 15.8 | 20.5 |
| 2008 | 7.6 | 15.7 | 20.9 |
| 2009 | 11.1 | 16.0 | 20.3 |
| 2010 | 9.0 | 15.0 | 20.1 |
| 2011 | 9.1 | 14.9 | 20.0 |
| 2012 | 10.8 | 15.4 | 20.1 |
| 2013 | 11.1 | 15.7 | 19.6 |
| 2014 | 12.0 | 16.0 | 19.8 |
| 2015 | 11.4 | 15.7 | 19.4 |
| 2016 | 12.1 | 16.2 | 19.5 |
| Mean | 10.3 | 15.5 | 20.2 |
