| Date: | 2020-06-20 |
| Time: | 0950 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 4m12s |
| Standardized Duration: | 4m 12s |
| Time Entered: | 2020-06-20 09:51:07 |
| Time Updated: | 2020-06-20 10:03:40 |
| Time Uploaded: | 2020-06-20 10:03:40 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 0942 | NPS 0939; 0940:53 big sustained preplay d=19s |