| Date: | 2021-12-17 |
| Time: | 1708 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | |
| Time Entered: | 2021-12-17 17:08:52 |
| Time Updated: | 2021-12-17 17:11:56 |
| Time Uploaded: | 2021-12-17 17:11:57 |
| Entrant: | Kat |
| Observer: | |
| Submitted to: | |
| Comments: | GT prediction 1703, NPS prediction 1709 |