| Date: | 2018-12-15 |
| Time: | 0827 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | ~4m35s |
| Standardized Duration: | ~4m 35s |
| Time Entered: | 2018-12-15 08:27:44 |
| Time Updated: | 2018-12-15 09:18:36 |
| Time Uploaded: | 2019-05-13 21:39:23 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 0820 | NPS 0825 |