| Station | Lat. | Year | Correlation Percent | Ave % Correlation |
| Northern Hemisphere |
|
|
|
|
| Alert, Canada | 82˚N | 2014 | 94.3 |
|
| Alert, Canada | 82˚N | 2011 | 92.5 |
|
| Alert, Canada | 82˚N | 2007 | 92.0 |
|
| Alert Canada | 82˚N | 2000 | 90.7 | 92.4% |
| Barrows, Alaska | 71˚N | 2014 | 91.9 |
|
| Barrows, Alaska | 71˚N | 2011 | 84.2 |
|
| Barrows, Alaska | 71˚N | 2007 | 91.4 |
|
| Barrows, Alaska | 71˚N | 2000 | 91 | 89.6% |
| Iceland | 63˚N | 2014 | 87.4 |
|
| Iceland | 63˚N | 2011 | 90.4 |
|
| Iceland | 63˚N | 2007 | 92.6 |
|
| Iceland | 63˚N | 2000 | 91.8 | 90.6% |
| Cold Bay, Alaska | 55˚N | 2014 | 92.1 |
|
| Cold Bay, Alaska | 55˚N | 2011 | 86.9 |
|
| Cold Bay, Alaska | 55˚N | 2007 | 88.8 |
|
| Cold Bay, Alaska | 55˚N | 2001 | 90.8 | 89.7% |
| Southern Hemisphere |
|
|
|
|
| Palmer Station | −64˚S | 2014 | 93.6 |
|
| Palmer Station | −64˚S | 2011 | 93.3 |
|
| Palmer Station | −64˚S | 1997 | 90.2 | 92.4 |
| Ushuaia, Argentina | −54.8˚S | 2014 | 88.1 |
|
| Ushuaia, Argentina | −54.8˚S | 2011 | 90.4 |
|
| Ushuaia, Argentina | −54.8˚S | 2007 | 87.3 | 88.6 |
| Cape Grim, Australia | −41˚S | 2014 | 97.7 |
|
| Cape Grim, Australia | −41˚S | 2011 | 89.6 |
|
| Cape Grim, Australia | −41˚S | 2005 | 91.9 |
|
| Cape Grim, Australia | −41˚S | 2001 | 92.5 | 92.9 |