| Date: | 2021-05-29 |
| Time: | 1141:39 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 4m18s |
| Standardized Duration: | 4m 18s |
| Time Entered: | 2021-05-29 11:42:18 |
| Time Updated: | 2021-05-29 11:49:54 |
| Time Uploaded: | 2021-05-29 11:49:51 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1152 | NPS 1142 |