| Date: | 2023-05-15 |
| Time: | 1004 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | |
| Time Entered: | 2023-05-15 10:04:26 |
| Time Updated: | 2023-05-15 10:07:58 |
| Time Uploaded: | 2023-05-15 10:07:58 |
| Entrant: | Kat |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | GT and NPS prediction 0949, 0953 respectively |