| Date: | 2021-05-24 |
| Time: | 1538:34 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 4m25s |
| Standardized Duration: | 4m 25s |
| Time Entered: | 2021-05-24 15:39:25 |
| Time Updated: | 2021-05-24 15:46:34 |
| Time Uploaded: | 2021-05-24 15:46:35 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1541 |