| Date: | 2021-09-01 |
| Time: | 1513:23 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 3m49s |
| Standardized Duration: | 3m 49s |
| Time Entered: | 2021-09-01 15:13:59 |
| Time Updated: | 2021-09-01 15:20:46 |
| Time Uploaded: | 2021-09-01 15:20:45 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT & NPS 1522 |