| Date: | 2021-06-15 |
| Time: | 1903:08 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | >3m16s |
| Standardized Duration: | >3m 16s |
| Time Entered: | 2021-06-15 19:03:52 |
| Time Updated: | 2021-06-15 19:10:56 |
| Time Uploaded: | 2021-06-15 19:10:54 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1846 |