| Date: | 2021-06-30 |
| Time: | 1938:59 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 3m45s |
| Standardized Duration: | 3m 45s |
| Time Entered: | 2021-06-30 19:39:40 |
| Time Updated: | 2021-06-30 19:46:22 |
| Time Uploaded: | 2021-06-30 19:46:18 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1941 |