| Date: | 2018-07-21 |
| Time: | 1310 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | ~3m46s |
| Standardized Duration: | ~3m 46s |
| Time Entered: | 2018-07-21 13:10:27 |
| Time Updated: | 2018-07-21 13:14:28 |
| Time Uploaded: | 2019-05-13 21:48:39 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1301 | NPS 1258 |