| Date: | 2018-08-21 |
| Time: | 0956 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | ~3m59s |
| Standardized Duration: | ~3m 59s |
| Time Entered: | 2018-08-21 09:57:03 |
| Time Updated: | 2018-08-21 10:00:52 |
| Time Uploaded: | 2019-05-13 21:37:52 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 0956 | NPS 0953 |