Latitude >54 |
| 483 | ||
| 117 | ||
| 112 | ||
| 63 | ||
| 58 | ||
| 40 | ||
| 23 | ||
| 23 | ||
| 20 | ||
| 16 | ||
| 12 | ||
| 12 | ||
| 12 | ||
| 11 | ||
| 6 | ||
| 6 | ||
| 4 | ||
| 3 | ||
| 2 |
| 111 | ||
| 100 | ||
| 73 | ||
| 60 | ||
| 58 | ||
| 52 | ||
| 52 | ||
| 46 | ||
| 43 | ||
| 34 | ||
| 32 | ||
| 24 | ||
| 17 | ||
| 16 | ||
| 13 | ||
| 10 | ||
| 9 | ||
| 8 | ||
| 6 | ||
| 2 | ||
| 2 | ||
| 2 | ||
| 2 | ||
| 1 | ||
| 1 |
| 1 | 1 | 2 | 2 | 9 | 9 | 6 | 10 | 31 | 51 | 43 | 84 | 59 | 50 | 41 | 52 | 13 |
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| 21 | 19 | 20 | 26 | 68 | 57 | 44 | 79 | 45 | 24 | 43 | 18 |
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| SUMMER | 172 | |
| FALL | 108 | |
| SPRING | 104 | |
| WINTER | 58 |
| United States | 243 | |
| Canada | 41 | |
| Norway | 22 | |
| Russia | 22 | |
| Finland | 15 | |
| Sweden | 6 | |
| Iceland | 4 | |
| United Kingdom | 3 | |
| Greenland | 1 | |
| Ireland | 1 | |
| Svalbard and Jan Mayen | 1 |
Observations From Members