| Date: | 2021-12-18 |
| Time: | 0859 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | |
| Time Entered: | 2021-12-18 08:59:48 |
| Time Updated: | 2021-12-18 09:03:25 |
| Time Uploaded: | 2021-12-18 09:03:25 |
| Entrant: | Kat |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | GT prediction 0904 |