| Date: | 2021-05-29 |
| Time: | 1417:28 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 4m23s |
| Standardized Duration: | 4m 23s |
| Time Entered: | 2021-05-29 14:18:06 |
| Time Updated: | 2021-05-29 14:27:03 |
| Time Uploaded: | 2021-05-29 14:27:00 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1418 | NPS 1423 |