Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Highest mean annual temperature | °C () Valentia Observatory | °C () Valentia Observatory | °C () Valentia Observatory | °C () Valentia Observatory | °C () Valentia Observatory | °C () Valentia Observatory and Rosslare | °C () Valentia Observatory |
| Lowest mean annual temperature | °C () Knock Airport | °C () Knock Airport | °C () Knock Airport | °C () Knock Airport | °C () Knock Airport | °C () Knock Airport | °C () Knock Airport |
| Highest temperature | °C () Athy 3 June and Cavan 3 June | °C () Ardfert 23 May | °C () Galway 2 June | °C () Ardtarmon 28 July and Castlederg 28 July | °C () Ballyshannon 9 June | °C () Elphin 19 July | °C () Kildalton 12 July |
| Lowest temperature | °C () Katesbridge 20 January | °C () Castlederg 23 December | °C () Mullingar 25 December | °C () Katesbridge 18 February | °C () Cavan 7 February | °C () Straide 3 March | °C () Casement Aerodrome 3 March |
| Source: Met Éireann / Met Office | Source: Met Éireann / Met Office | Source: Met Éireann / Met Office | Source: Met Éireann / Met Office | Source: Met Éireann / Met Office | Source: Met Éireann / Met Office | Source: Met Éireann / Met Office | Source: Met Éireann / Met Office |
Question:
What is 2009, when Year is "Highest Mean Annual Temperature"?
Answer:
°C () Valentia Observatory