| Date: | 2021-06-30 |
| Time: | 1804:21 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | >3m37s |
| Standardized Duration: | >3m 37s |
| Time Entered: | 2021-06-30 18:04:55 |
| Time Updated: | 2021-06-30 18:10:58 |
| Time Uploaded: | 2021-06-30 18:10:55 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1804 | NPS 1801 |