| Date: | 2018-12-18 |
| Time: | 1155 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | ~4m10s |
| Standardized Duration: | ~4m 10s |
| Time Entered: | 2018-12-18 11:55:59 |
| Time Updated: | 2018-12-18 12:00:11 |
| Time Uploaded: | 2019-05-13 21:39:51 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1151 | NPS 1148 |