| Date: | 2018-08-15 |
| Time: | 1529 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | ~4m21s |
| Standardized Duration: | ~4m 21s |
| Time Entered: | 2018-08-15 15:30:27 |
| Time Updated: | 2018-08-15 15:34:31 |
| Time Uploaded: | 2019-05-13 21:40:32 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1539 | NPS 1536 |