| Date: | 2021-08-04 |
| Time: | 1053 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | |
| Time Entered: | 2021-08-04 11:20:07 |
| Time Updated: | 2021-08-04 11:20:51 |
| Time Uploaded: | 2021-08-04 11:20:53 |
| Entrant: | STS |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | Subtracting 97 minutes from the new NPS prediction of 12:30 |