| Date: | 2018-08-21 |
| Time: | 1256 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | ~3m52s |
| Standardized Duration: | ~3m 52s |
| Time Entered: | 2018-08-21 12:56:53 |
| Time Updated: | 2018-08-21 13:00:55 |
| Time Uploaded: | 2019-05-13 21:41:51 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1258 | NPS 1255; attempt short, rebound @ ~1m47s |