| Date: | 2021-04-27 |
| Time: | 1421:16 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 4m26s |
| Standardized Duration: | 4m 26s |
| Time Entered: | 2021-04-27 14:21:51 |
| Time Updated: | 2021-04-27 14:28:17 |
| Time Uploaded: | 2021-04-27 14:28:18 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1429 | NPS 1426 |