Search our collection of background (non-event) articles from news media, science journals and other sources.
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| WINTER | 27 | |
| FALL | 20 | |
| SUMMER | 17 | |
| SPRING | 7 |
| United States | 133 | |
| Canada | 27 | |
| Russia | 10 | |
| Iceland | 5 | |
| Norway | 3 | |
| Mongolia | 2 | |
| Sweden | 2 | |
| Brazil | 1 | |
| China | 1 | |
| Greenland | 1 | |
| Ireland | 1 | |
| Italy | 1 | |
| Spain | 1 | |
| Trinidad and Tobago | 1 | |
| United Kingdom | 1 |
Observations From Members