| Date: | 2021-01-21 |
| Time: | 1143 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | |
| Time Entered: | 2021-01-21 11:45:50 |
| Time Updated: | 2021-01-21 13:22:56 |
| Time Uploaded: | 2021-01-21 13:22:56 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | 1143:42; prediction GT 1139 | NPS 1136; unknown long/short due to way over-exposed stream (steam & water is all one white blob); long based on interval |