| Date: | 2021-05-29 |
| Time: | 1556:48 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 3m49s |
| Standardized Duration: | 3m 49s |
| Time Entered: | 2021-05-29 15:57:27 |
| Time Updated: | 2021-05-29 16:05:18 |
| Time Uploaded: | 2021-05-29 16:05:15 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1554 | NPS 1551 |