| Date: | 2021-05-21 |
| Time: | 0859 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | N/A |
| Duration: | |
| Time Entered: | 2021-05-21 09:12:12 |
| Time Uploaded: | 2021-05-21 09:12:12 |
| Entrant: | JarnoO |
| Observer: | Michelle |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 0910 | NPS 0907 |