| Observation Date | Latitude | Longitude | Total Ice Concentration | Primary Observer | |
|---|---|---|---|---|---|
| 2013-08-28 02:10:00 UTC | 74.7083 | -137.1633 | 9 | Genke Sagawa | |
| 2013-08-28 00:55:00 UTC | 74.7717 | -137.74 | 10 | Genke Sagawa | |
| 2013-08-28 00:18:00 UTC | 74.8089 | -138.0439 | 9 | Yasuhiro Tanaka | |
| 2013-08-27 22:45:00 UTC | 74.8972 | -138.9222 | 9 | Yasuhiro Tanaka | |
| 2013-08-27 21:37:00 UTC | 74.9525 | -139.5522 | 10 | Judy Twedt | |
| 2013-08-27 21:07:00 UTC | 74.9539 | -139.5667 | 10 | Yasuhiro Tanaka | |
| 2013-08-27 16:07:00 UTC | 75.0092 | -140.0636 | 9 | Judy Twedt | |
| 2013-08-27 12:10:00 UTC | 75.0081 | -140.1517 | 9 | Judy Twedt | |
| 2013-08-27 05:02:00 UTC | 75.5217 | -142.8433 | 9 | Genke Sagawa | |
| 2013-08-27 04:11:00 UTC | 75.5567 | -142.71 | 10 | Genke Sagawa | |
| 2013-08-27 03:05:00 UTC | 75.64 | -142.1233 | 10 | Genke Sagawa | |
| 2013-08-27 02:13:00 UTC | 75.71 | -141.6383 | 10 | Genke Sagawa | |
| 2013-08-27 01:20:00 UTC | 75.7683 | -141.2642 | 10 | Genke Sagawa | |
| 2013-08-27 00:51:00 UTC | 75.8192 | -140.8192 | 9 | Judy Twedt | |
| 2013-08-26 23:05:00 UTC | 75.9481 | -140.0256 | 8 | Yasuhiro Tanaka | |
| 2013-08-26 13:08:00 UTC | 76.0275 | -139.5097 | 9 | Judy Twedt | |
| 2013-08-26 01:08:00 UTC | 76.28 | -133.0633 | 9 | Genke Sagawa | |
| 2013-08-25 19:57:00 UTC | 76.3614 | -133.7308 | 9 | Yasuhiro Tanaka | |
| 2013-08-25 19:48:00 UTC | 76.3675 | -133.8672 | 10 | Judy Twedt | |
| 2013-08-25 18:13:00 UTC | 76.4072 | -134.1264 | 9 | Yasuhiro Tanaka | |
| 2013-08-25 16:44:00 UTC | 76.4681 | -134.7453 | 9 | Yasuhiro Tanaka | |
| 2013-08-25 15:44:00 UTC | 76.4892 | -134.9986 | 9 | Judy Twedt | |
| 2013-08-25 14:31:00 UTC | 76.5353 | -135.4547 | 9 | Judy Twedt | |
| 2013-08-25 11:28:00 UTC | 76.5558 | -135.6014 | 9 | Judy Twedt | |
| 2013-08-24 22:07:00 UTC | 77.9389 | -140.2044 | 8 | Yasuhiro Tanaka |