| Observation Date | Latitude | Longitude | Total Ice Concentration | Primary Observer | |
|---|---|---|---|---|---|
| 2013-08-11 01:17:00 UTC | 72.1567 | -148.4667 | 3 | Genke Sagawa | |
| 2013-08-11 00:00:00 UTC | 72.2542 | -147.6053 | 1 | Yasuhiro Tanaka | |
| 2013-08-10 22:10:00 UTC | 72.3728 | -146.6167 | 1 | Yasuhiro Tanaka | |
| 2013-08-10 20:04:00 UTC | 72.4861 | -145.6981 | 2 | Yasuhiro Tanaka | |
| 2013-08-10 19:00:00 UTC | 72.5511 | -145.1708 | 4 | Yasuhiro Tanaka | |
| 2013-08-10 16:48:00 UTC | 72.6372 | -144.7675 | 3 | Yasuhiro Tanaka | |
| 2013-08-10 14:53:00 UTC | 72.6322 | -144.7283 | 5 | Judy Twedt | |
| 2013-08-10 13:52:00 UTC | 72.8067 | -144.67 | 6 | Judy Twedt | |
| 2013-08-10 13:11:00 UTC | 72.9017 | -144.8153 | 5 | Judy Twedt | |
| 2013-08-10 12:17:00 UTC | 73.0544 | -144.7531 | 6 | Judy Twedt | |
| 2013-08-10 11:00:00 UTC | 73.1883 | -144.8808 | 5 | Judy Twedt | |
| 2013-08-10 10:01:00 UTC | 73.3847 | -144.8397 | 5 | Judy Twedt | |
| 2013-08-10 09:03:00 UTC | 73.4983 | -144.9231 | 5 | Judy Twedt | |
| 2013-08-10 07:54:00 UTC | 73.5267 | -144.8567 | 1 | Genke Sagawa | |
| 2013-08-10 07:01:00 UTC | 73.5583 | -144.7417 | 2 | Genke Sagawa | |
| 2013-08-10 06:02:00 UTC | 73.5467 | -144.4833 | 5 | Genke Sagawa | |
| 2013-08-10 05:10:00 UTC | 73.625 | -143.9889 | 0 | Genke Sagawa | |
| 2013-08-10 04:18:00 UTC | 73.6733 | -143.43 | 7 | Genke Sagawa | |
| 2013-08-10 02:01:00 UTC | 73.775 | -142.1889 | 4 | Genke Sagawa | |
| 2013-08-10 01:07:00 UTC | 74.84 | -141.6556 | 4 | Genke Sagawa | |
| 2013-08-10 00:10:00 UTC | 73.855 | -141.3947 | 6 | Yasuhiro Tanaka | |
| 2013-08-09 23:07:00 UTC | 73.9017 | -141.005 | 5 | Yasuhiro Tanaka | |
| 2013-08-09 21:54:00 UTC | 73.9828 | -140.1906 | 4 | Yasuhiro Tanaka | |
| 2013-08-09 17:25:00 UTC | 73.9889 | -139.9508 | 5 | Yasuhiro Tanaka | |
| 2013-08-09 15:58:00 UTC | 74.0381 | -139.9833 | 8 | Judy Twedt |