| Date: | 2021-12-20 |
| Time: | 1653 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | |
| Time Entered: | 2021-12-20 16:53:37 |
| Time Updated: | 2021-12-20 16:56:19 |
| Time Uploaded: | 2021-12-20 16:56:19 |
| Entrant: | Kat |
| Observer: | |
| Submitted to: | |
| Comments: | Gt and NPS predictions 1651, 1650 respectively |