| Observation Date | Latitude | Longitude | Total Ice Concentration | Primary Observer | |
|---|---|---|---|---|---|
| 2018-09-18 20:08:00 UTC | 76.9991 | -139.8197 | 10 | HayatoOkuda | |
| 2018-09-18 18:58:00 UTC | 76.9491 | -139.2283 | 10 | HayatoOkuda | |
| 2018-09-18 18:00:00 UTC | 76.8963 | -138.9143 | 10 | HayatoOkuda | |
| 2018-09-18 16:59:00 UTC | 76.8375 | -138.6142 | 10 | HayatoOkuda | |
| 2018-09-18 16:07:00 UTC | 76.7923 | -138.2272 | 10 | HayatoOkuda | |
| 2018-09-18 15:22:00 UTC | 76.7742 | -137.9239 | 10 | Kazutoshi Sato | |
| 2018-09-18 14:00:00 UTC | 76.7394 | -137.4167 | 10 | Kazutoshi Sato | |
| 2018-09-18 13:00:00 UTC | 76.7681 | -137.7694 | 10 | Kazutoshi Sato | |
| 2018-09-18 12:00:00 UTC | 76.6764 | -136.8531 | 10 | Kazutoshi Sato | |
| 2018-09-18 11:00:00 UTC | 76.6347 | -136.5872 | 10 | Kazutoshi Sato | |
| 2018-09-18 10:00:00 UTC | 76.6206 | -136.2342 | 10 | Kazutoshi Sato | |
| 2018-09-18 09:00:00 UTC | 76.6056 | -135.9697 | 10 | Kazutoshi Sato | |
| 2018-09-18 08:00:00 UTC | 76.545 | -135.7406 | 10 | Kazutoshi Sato | |
| 2018-09-18 05:09:00 UTC | 76.5353 | -135.5118 | 10 | Kazutaka Tateyama | |
| 2018-09-18 03:56:00 UTC | 76.5162 | -135.6988 | 10 | Kazutaka Tateyama | |
| 2018-09-18 01:15:00 UTC | 76.4276 | -136.6118 | 10 | Kazutaka Tateyama | |
| 2018-09-18 00:03:00 UTC | 76.4005 | -137.1844 | 10 | Kazutaka Tateyama | |
| 2018-09-17 23:04:00 UTC | 76.3761 | -137.6348 | 10 | HayatoOkuda | |
| 2018-09-17 16:03:00 UTC | 76.395 | -137.6388 | 10 | HayatoOkuda | |
| 2018-09-17 06:00:00 UTC | 76.0136 | -140.0342 | 10 | Kazutoshi Sato | |
| 2018-09-17 05:00:00 UTC | 75.8547 | -139.9806 | 6 | Kazutoshi Sato | |
| 2018-09-17 04:00:00 UTC | 75.6864 | -140.0378 | 10 | Kazutoshi Sato | |
| 2018-09-17 03:12:00 UTC | 75.5731 | -139.9853 | 10 | Kazutoshi Sato | |
| 2018-09-17 02:00:00 UTC | 75.3925 | -140.1208 | 9 | Kazutoshi Sato | |
| 2018-09-17 01:24:00 UTC | 75.3053 | -140.1286 | 10 | Kazutoshi Sato |