Study the table below, which displays the mean monthly Arctic sea ice extent (in millions of km2\text{km}^2km2) recorded during a recent calendar year.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea Ice Extent | 13.5 | 14.4 | 14.6 | 13.8 | 12.2 | 10.5 | 8.1 | 5.8 | 4.7 | 6.5 | 9.8 | 11.9 |
Calculate the median monthly Arctic sea ice extent for this year.
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