| Date: | 2021-05-01 |
| Time: | 0929:49 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 3m57s |
| Standardized Duration: | 3m 57s |
| Time Entered: | 2021-05-01 09:30:15 |
| Time Updated: | 2021-05-01 09:38:35 |
| Time Uploaded: | 2021-05-01 09:38:34 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 0934 | NPS 0931 |