| Date: | 2018-08-21 |
| Time: | 1435 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | >3m57s |
| Standardized Duration: | >3m 57s |
| Time Entered: | 2018-08-21 14:36:09 |
| Time Updated: | 2018-08-21 14:39:54 |
| Time Uploaded: | 2019-05-13 21:37:11 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1433 | NPS 1430 |