| Date: | 2021-07-30 |
| Time: | 0922 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | |
| Time Entered: | 2021-07-30 09:23:01 |
| Time Updated: | 2021-07-30 09:26:18 |
| Time Uploaded: | 2021-07-30 09:26:18 |
| Entrant: | Kat |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | NPS prediction 09:19, GT prediction 0912. |