Search our collection of background (non-event) articles from news media, science journals and other sources.
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| WINTER | 39 | |
| SPRING | 30 | |
| SUMMER | 29 | |
| FALL | 15 |
| United States | 106 | |
| Canada | 22 | |
| Norway | 9 | |
| Iceland | 7 | |
| Russia | 6 | |
| Brazil | 1 | |
| French Polynesia | 1 | |
| Ireland | 1 | |
| Japan | 1 | |
| Nepal | 1 | |
| Poland | 1 | |
| Spain | 1 | |
| Sweden | 1 |
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