| Date: | 2020-05-18 |
| Time: | 1247 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 4m30s |
| Standardized Duration: | 4m 30s |
| Time Entered: | 2020-05-18 12:48:13 |
| Time Updated: | 2020-05-18 12:55:20 |
| Time Uploaded: | 2020-05-18 12:55:21 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | prediction GT 1225 | NPS 1222; had several preplays which would have started an eruption under different circumstances |