| Date: | 2018-06-17 |
| Time: | 1217 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 3m50s < d < 4m03s |
| Time Entered: | 2018-06-17 12:17:23 |
| Time Updated: | 2018-06-17 12:21:42 |
| Time Uploaded: | 2018-06-17 12:21:40 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | |
| Comments: | prediction GT 1220 | NPS 1217 |