| Date: | 2021-08-21 |
| Time: | 0942:08 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | >3m 37s |
| Standardized Duration: | >3m 37s |
| Time Entered: | 2021-08-21 09:43:02 |
| Time Updated: | 2021-08-21 09:56:05 |
| Time Uploaded: | 2021-08-21 09:56:05 |
| Entrant: | SantaFe108 |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | Prediction: NPS 09:35 / GT 09:35 Hard to tell exact end due to grainy video and massive morning steam plume. |