| Date: | 2018-07-27 |
| Time: | 1717 A |
| Geyser: | Old Faithful |
| Webcam: | No |
| Initial: | No |
| Long/Short: | Long |
| Duration: | |
| Time Entered: | 2018-07-27 17:38:54 |
| Time Uploaded: | 2018-07-27 19:21:28 |
| Entrant: | STS |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | New NPS prediction time of 1849 |