| Date: | 2017-12-09 |
| Time: | 1216 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | |
| Time Entered: | 2017-12-09 12:17:10 |
| Time Updated: | 2017-12-09 12:19:42 |
| Time Uploaded: | 2017-12-09 12:19:41 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1221 |